Shareholder Report |
12 Months Ended | ||||||||||||||||||||||
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May 31, 2026
USD ($)
Holdings
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| Shareholder Report [Line Items] | |||||||||||||||||||||||
| Document Type | N-CSR | ||||||||||||||||||||||
| Amendment Flag | false | ||||||||||||||||||||||
| Registrant Name | Starboard Investment Trust | ||||||||||||||||||||||
| Entity Central Index Key | 0001464413 | ||||||||||||||||||||||
| Entity Investment Company Type | N-1A | ||||||||||||||||||||||
| Document Period End Date | May 31, 2026 | ||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||
| Adaptive Alpha Opportunities ETF | |||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||
| Fund Name | Adaptive Alpha Opportunities ETF | ||||||||||||||||||||||
| Class Name | Adaptive Alpha Opportunities ETF | ||||||||||||||||||||||
| Trading Symbol | AGOX | ||||||||||||||||||||||
| Security Exchange Name | NYSEArca | ||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about Adaptive Alpha Opportunities ETF (the "Fund") for the period June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://etfpages.com/AGOX. You can also request this information by contacting us at (800) 773-3863. | ||||||||||||||||||||||
| Additional Information Phone Number | (800) 773-3863 | ||||||||||||||||||||||
| Additional Information Website | https://etfpages.com/AGOX | ||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past year? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 140 | ||||||||||||||||||||||
| Expense Ratio, Percent | 1.24% | ||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? For the fiscal year ended May 31, 2026, the Fund returned 26.69%. The Fund underperformed the MSCI ACWI Index and outperformed the Morningstar Moderate Aggressive Target Risk Index, which returned 30.80% and 22.67%, respectively, for the same period. Factors that Impacted the Fund's Performance Adaptive Alpha Opportunities ETF remains largely diversified across countries and sectors. There are periods where AGOX uses its’ ‘global-go-anywhere’ classification to take advantage of a focused approach to a sector or group of sectors. During the 1 year period ending on 5/31/2026, AGOX held modest allocations towards tech and semiconductor related positions, as well as Communication Services, Healthcare, and Infrastructure ETFs.
The main detractors from performance include:
• Cloudflare Inc (NET) had a rescaled portfolio weight of 0.55% and detracted (2.60%) during the period. • Strategy Inc Class A (MSTR) had a rescaled portfolio weight of 0.37% and detracted (1.68%) during the period. • Coinbase Global Inc (COIN) had a rescaled portfolio weight of 0.39% and detracted (1.22%) during the period.
The main contributors to performance include:
• VanEck Semiconductor ETF (SMH) had a rescaled portfolio weight of 5.43% and contributed 7.79% during the period. • Invesco QQQ Trust (QQQ) had a rescaled portfolio weight of 7.89% and contributed 4.52% during the period. • State Street Technology Select Sector SPDR ETF (XLK) had a rescaled portfolio weight of 2.51% and contributed 4.46% during the period.
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of the Fund's future performance. | ||||||||||||||||||||||
| Line Graph [Table Text Block] | Cumulative Performance From June 1, 2025 through May 31, 2026 Initial Investment of $10,000
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| Average Annual Return [Table Text Block] | Average Annual Total Returns (as of May 31, 2026 )
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| Performance Inception Date | Sep. 20, 2012 | ||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. | ||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Visit https://etfpages.com/AGOX for more recent performance information. | ||||||||||||||||||||||
| Net Assets | $ 385,961,450 | ||||||||||||||||||||||
| Holdings Count | Holdings | 330 | ||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 3,525,129 | ||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 2621.38% | ||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2026 )
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| Holdings [Text Block] | What did the Fund invest in? (as of
May 31, 2026
)
Sector Breakdown (% of Total Net Assets)
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| Largest Holdings [Text Block] |
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| Adaptive Hedged Multi-Asset Income ETF | |||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||
| Fund Name | Adaptive Hedged Multi-Asset Income ETF | ||||||||||||||||||||||
| Class Name | Adaptive Hedged Multi-Asset Income ETF | ||||||||||||||||||||||
| Trading Symbol | AMAX | ||||||||||||||||||||||
| Security Exchange Name | NYSEArca | ||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about Adaptive Hedged Multi-Asset Income ETF (the "Fund") for the period June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://etfpages.com/AMAX. You can also request this information by contacting us at (800) 773-3863. | ||||||||||||||||||||||
| Additional Information Phone Number | (800) 773-3863 | ||||||||||||||||||||||
| Additional Information Website | https://etfpages.com/AMAX | ||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past year? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 123 | ||||||||||||||||||||||
| Expense Ratio, Percent | 1.15% | ||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? For the fiscal year ended May 31, 2026, the Fund returned 13.08%. The Fund outperformed the Bloomberg Capital US Aggregate Bond Index, which returned 5.13% for the same period. Factors that Impacted the Fund's Performance Adaptive Hedged Multi Asset Income ETF (AMAX) maintained a Equities-Treasuries-Gold-Bitcoin four part portfolio. AMAX continued using bitcoin related ETFs and equities to generate covered call premium income for the fund, as well as fund the purchase of long protective puts.
The main detractors from performance include:
• YieldMax META Option Income Strategy ETF (FBY) had a rescaled portfolio weight of 2.14% and detracted (0.21%) during the period. • YieldMax MSFT Option Income Strategy ETF (MSFO) had a rescaled portfolio weight of 2.31% and detracted (0.04%) during the period. • Strategy Inc Class A (MSTR) had a rescaled portfolio weight of 19.57% and detracted (17.72%) during the period.
The main contributors to performance include:
• VanEck Gold Miners ETF (GDX) had a rescaled portfolio weight of 16.30% and contributed 9.49% during the period. • Invesco QQQ Trust (QQQ) had a rescaled portfolio weight of 12.01% and contributed 3.69% during the period. • State Street® SPDR® S&P 500® ETF (SPY) had a rescaled portfolio weight of 31.09% and contributed 8.63% during the period.
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of the Fund's future performance. | ||||||||||||||||||||||
| Line Graph [Table Text Block] | Cumulative Performance From June 1, 2025 through May 31, 2026 Initial Investment of $10,000
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| Average Annual Return [Table Text Block] | Average Annual Total Returns (as of May 31, 2026 )
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| Performance Inception Date | Oct. 02, 2009 | ||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. | ||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Visit https://etfpages.com/AMAX for more recent performance information. | ||||||||||||||||||||||
| Net Assets | $ 67,771,624 | ||||||||||||||||||||||
| Holdings Count | Holdings | 25 | ||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 183,818 | ||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 538.32% | ||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2026 )
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| Holdings [Text Block] | What did the Fund invest in? (as of
May 31, 2026
)
Security Type Breakdown (% of Total Net Assets)
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| Largest Holdings [Text Block] |
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| RH Tactical Outlook ETF | |||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||
| Fund Name | RH Tactical Outlook ETF | ||||||||||||||||||||||
| Class Name | RH Tactical Outlook ETF | ||||||||||||||||||||||
| Trading Symbol | RHTX | ||||||||||||||||||||||
| Security Exchange Name | NYSEArca | ||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about RH Tactical Outlook ETF (the "Fund") for the period June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://etfpages.com/RHTX. You can also request this information by contacting us at (800) 773‑3863. | ||||||||||||||||||||||
| Additional Information Phone Number | (800) 773‑3863 | ||||||||||||||||||||||
| Additional Information Website | https://etfpages.com/RHTX | ||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past year? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 159 | ||||||||||||||||||||||
| Expense Ratio, Percent | 1.40% | ||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? For the fiscal year ended May 31, 2026, the Fund returned 27.08%. The Fund underperformed the CRSP US Total Market Index, and outperformed the Morningstar Moderate Aggressive Target Risk Index, which returned 28.35% and 22.67%, respectively, for the same period. Factors that Impacted the Fund's Performance RH Tactical Outlook ETF (RHTX) maintained its multi-cap equity and precious metal exposure for the majority of the year. Although the precious metals that RHTX holds (GLD, SLV) provide some diversification benefit, the large equity bias in the portfolio allows the overall portfolio to go through drawdowns with broader equity indices. RHTX continued using bitcoin related ETFs and equities to generate covered call premium income for the fund, as well as fund the purchase of long protective puts. The main detractors from performance include: • Strategy Class A (MSTR) had a rescaled portfolio weight of 4.87% and detracted (3.18%) during the period. The main contributors to performance include: • State Street® SPDR® S&P 500® ETF (SPY) had a rescaled portfolio weight of 57.19% and contributed 16.11% during the period.
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of the Fund's future performance. | ||||||||||||||||||||||
| Line Graph [Table Text Block] | Cumulative Performance From June 1, 2025 through May 31, 2026 Initial Investment of $10,000
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| Average Annual Return [Table Text Block] | Average Annual Total Returns (as of May 31, 2026 )
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| Performance Inception Date | Sep. 20, 2012 | ||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. | ||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Visit https://etfpages.com/RHTX for more recent performance information. | ||||||||||||||||||||||
| Net Assets | $ 8,239,965 | ||||||||||||||||||||||
| Holdings Count | Holdings | 9 | ||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 0 | ||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 46.92% | ||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2026 )
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| Holdings [Text Block] | What did the Fund invest in? (as of
May 31, 2026
)
Security Type Breakdown (% of Total Net Assets)
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| Largest Holdings [Text Block] |
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| RH Tactical Rotation ETF | |||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||
| Fund Name | RH Tactical Rotation ETF | ||||||||||||||||||||||
| Class Name | RH Tactical Rotation ETF | ||||||||||||||||||||||
| Trading Symbol | RHRX | ||||||||||||||||||||||
| Security Exchange Name | NYSEArca | ||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This contains important information about RH Tactical Rotation ETF (the "Fund") for the period June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://etfpages.com/RHRX. You can also request this information by contacting us at (800) 773‑3863. | ||||||||||||||||||||||
| Additional Information Phone Number | (800) 773‑3863 | ||||||||||||||||||||||
| Additional Information Website | https://etfpages.com/RHRX | ||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the past year? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 151 | ||||||||||||||||||||||
| Expense Ratio, Percent | 1.25% | ||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | How did the Fund perform last year and what affected its performance? For the fiscal year ended May 31, 2026, the Fund returned 40.88%. The Fund outperformed the S&P 500 Index and the Morningstar Moderate Aggressive Target Risk Index, which returned 29.78% and 22.67%, respectively, for the same period. Factors that Impacted the Fund's Performance RH Tactical Rotation maintained its half broad equities, half ‘tri-sector’ approach utilizing third party research to choose in-favor sectors to hold at any given time. RH Tactical Rotation ETF also used ‘Adaptive Growth or Value’ (GVI) model to determine when to tilt the broad equities portion of the portfolio between growth and value styles.
The main detractors from performance include:
• State Street Health Care Select Sector SPDR ETF (XLV) had a rescaled portfolio weight of 0.69% and detracted (0.18%) during the period. • State Street Utilities Select Sector SPDR ETF (XLU) had a rescaled portfolio weight of 1.49% and detracted (0.03%) during the period.
The main contributors to performance include:
• SPDR S&P 500 ETF (SPY) had a rescaled portfolio weight of 23.22% and contributed 7.51% during the period. • iShares Semiconductor ETF (SMH) had a rescaled portfolio weight of 7.06% and contributed 14.22% during the period.
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of the Fund's future performance. | ||||||||||||||||||||||
| Line Graph [Table Text Block] | Cumulative Performance From June 1, 2025 through May 31, 2026 Initial Investment of $10,000
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| Average Annual Return [Table Text Block] | Average Annual Total Returns (as of May 31, 2026 )
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| Performance Inception Date | Sep. 20, 2012 | ||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. | ||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Visit https://etfpages.com/RHRX for more recent performance information. | ||||||||||||||||||||||
| Net Assets | $ 36,132,154 | ||||||||||||||||||||||
| Holdings Count | Holdings | 7 | ||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 30,916 | ||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 226.73% | ||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2026 )
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| Holdings [Text Block] | What did the Fund invest in? (as of
May 31, 2026
)
Sector Breakdown (% of Total Net Assets)
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| Largest Holdings [Text Block] |
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