0000770200 2026-10-22 2026-10-22 0000770200 ck0001046131:doc_MIDAS_DISCOVERYMember ck0001046131:S123456789Member 2026-10-22 2026-10-22 0000770200 ck0001046131:doc_MIDAS_DISCOVERYMember ck0001046131:S123456789Member ck0001046131:C123456789Member 2026-10-22 2026-10-22 0000770200 ck0001046131:doc_MIDAS_SPECIAL_OPPORTUNITIESMember ck0001046131:S123456790Member 2026-10-22 2026-10-22 0000770200 ck0001046131:doc_MIDAS_SPECIAL_OPPORTUNITIESMember ck0001046131:S123456790Member ck0001046131:C123456790Member 2026-10-22 2026-10-22 pure MIDAS DISCOVERY MIDAS SPECIAL OPPORTUNITIES 2026-04-30 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) <table style="font-size: 10pt; border-spacing: 0px; border-collapse: collapse; margin: auto; width: 84.56%;"> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Management Fees</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">1.00%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Distribution and Service (12b-1) Fees</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.25%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;">  </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">Interest Expense and Fees from the Use of Leverage</span><sup style="font-family: Garamond; color: #000000;">1</sup> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.51%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">Dividends on Short Sales</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.00%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">All Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">1.71%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Total Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">2.22%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Total Annual Fund Operating Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">3.47%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">         Less Fee Waivers/Expense Reimbursements</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.00%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div> <span style="font-family: Garamond; color: #000000;">Total Annual Fund Operating Expenses after Fee Waivers/Expense Reimbursements</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">3.47%</span> </div> </td> </tr> </table><div>  </div> <div> <sup style="font-family: Garamond; color: #000000;">1</sup><span style="font-family: Garamond; color: #000000;"> “Interest Expense and Fees from the Use of Leverage” reflect interest expense and other fees incurred in connection with the Fund’s use of borrowing and other financing arrangements. The amount of interest expense and fees incurred will vary based on the Fund’s use of leverage, including the amount, duration and cost of such leverage.</span> </div> 0.01 0.0025 0.0051 0 0.0171 0.0222 0.0347 0 0.0347 Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) <table style="font-size: 10pt; border-spacing: 0px; border-collapse: collapse; margin: auto; width: 84.56%;"> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Management Fees</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.93%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Distribution and Service (12b-1) Fees</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.25%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;">  </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">Interest Expense and Fees from the Use of Leverage</span><sup style="font-family: Garamond; color: #000000;">2</sup> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.81%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">Dividends on Short Sales</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.00%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify; margin-left: 21.6pt;"> <span style="font-family: Garamond; color: #000000;">All Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">1.45%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Total Other Expenses</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">2.26%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">Total Annual Fund Operating Expenses</span><sup style="font-family: Garamond; color: #000000;"> </sup> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">3.44%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div style="text-align: justify;"> <span style="font-family: Garamond; color: #000000;">         Less Fee Waivers/Expense Reimbursements</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">0.00%</span> </div> </td> </tr> <tr style="vertical-align: top; height: 12.4pt;"> <td style="padding: 0; width: 86.44%;"> <div> <span style="font-family: Garamond; color: #000000;">Total Annual Fund Operating Expenses after Fee Waivers/Expense Reimbursements</span> </div> </td> <td style="padding: 0; width: 13.56%;"> <div> <span style="font-family: Garamond; color: #000000;">3.44%</span> </div> </td> </tr> </table><div>  </div> <div> <sup style="font-family: Garamond; color: #000000;">2</sup><span style="font-family: Garamond; color: #000000;"> “Interest Expense and Fees from the Use of Leverage” reflect interest expense and other fees incurred in connection with the Fund’s use of borrowing and other financing arrangements. The amount of interest expense and fees incurred will vary based on the Fund’s use of leverage, including the amount, duration and cost of such leverage.</span> </div> 0.0093 0.0025 0.0081 0 0.0145 0.0226 0.0344 0 0.0344 497 N-1A 0000770200 false 2026-10-22 Midas Series Trust “Interest Expense and Fees from the Use of Leverage” reflect interest expense and other fees incurred in connection with the Fund’s use of borrowing and other financing arrangements. The amount of interest expense and fees incurred will vary based on the Fund’s use of leverage, including the amount, duration and cost of such leverage. “Interest Expense and Fees from the Use of Leverage” reflect interest expense and other fees incurred in connection with the Fund’s use of borrowing and other financing arrangements. The amount of interest expense and fees incurred will vary based on the Fund’s use of leverage, including the amount, duration and cost of such leverage.