MDY
State Street SPDR S&P MIDCAP 400 ETF Trust
stockNYSEETF
At CloseOct 2, 2026 3:59:52 PM EDT
669.44USD+0.914%(+6.06)1,121,356
Pre-marketOct 2, 2026 9:25:30 AM EDT
670.00USD+0.998%(+6.62)
After-hoursOct 2, 2026 4:10:30 PM EDT
669.66USD+0.033%(+0.22)
As of 2026-09-15, there were 1,549,798 shares short with a short interest of 4.02%.
MDY Short Interest - Official
Short Interest
MDY Short Position Change - Official
Short Position Change
MDY Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 4.02 | 1,549,798 | 3.08 | -73,218 | -4.51 | 38,592,392 | 38,592,392 |
| 2026-08-31 | 4.24 | 1,623,016 | 3.23 | -71,747 | -4.23 | 38,267,392 | 38,267,392 |
| 2026-08-14 | 4.44 | 1,694,763 | 2.95 | +1,519 | +0.09 | 38,167,392 | 38,167,392 |
| 2026-07-31 | 4.37 | 1,693,244 | 2.79 | +317,514 | +23.08 | 38,767,160 | 38,767,160 |
| 2026-07-15 | 3.48 | 1,375,730 | 2.30 | +271,339 | +24.57 | 39,567,160 | 39,567,160 |
| 2026-06-30 | 2.81 | 1,104,391 | 1.17 | -589,091 | -34.79 | 39,342,160 | 39,342,160 |
| 2026-06-15 | 4.35 | 1,693,482 | 2.00 | +340,101 | +25.13 | 38,892,160 | 38,892,160 |
| 2026-05-15 | 3.44 | 1,353,381 | 2.52 | -314,979 | -18.88 | 39,292,160 | 39,292,160 |
| 2026-04-30 | 4.25 | 1,668,360 | 2.79 | +260,950 | +18.54 | 39,216,946 | 39,216,946 |
| 2026-04-15 | 3.59 | 1,407,410 | 1.80 | -145,140 | -9.35 | 39,166,946 | 39,166,946 |
| 2026-03-31 | 3.98 | 1,552,550 | 1.05 | -143,079 | -8.44 | 39,016,946 | 39,016,946 |
| 2026-03-13 | 4.36 | 1,695,629 | 1.00 | -249,506 | -12.83 | 38,916,946 | 38,916,946 |
| 2026-02-27 | 4.96 | 1,945,135 | 2.10 | +384,358 | +24.63 | 39,216,946 | 39,216,946 |
| 2026-02-13 | 4.00 | 1,560,777 | 1.47 | +34,090 | +2.23 | 38,991,946 | 38,991,946 |
| 2026-01-30 | 3.89 | 1,526,687 | 1.52 | -25,080 | -1.62 | 39,216,611 | 39,216,611 |
| 2026-01-15 | 3.91 | 1,551,767 | 1.60 | -10,282 | -0.66 | 39,716,611 | 39,716,611 |
| 2025-12-31 | 3.88 | 1,562,049 | 2.14 | -127,083 | -7.52 | 40,216,611 | 40,216,611 |
| 2025-12-15 | 4.27 | 1,689,132 | 1.68 | -176,139 | -9.44 | 39,516,611 | 39,516,611 |
| 2025-11-28 | 4.79 | 1,865,271 | 1.49 | -66,489 | -3.44 | 38,966,611 | 38,966,611 |
| 2025-11-14 | 4.80 | 1,931,760 | 2.02 | +377,038 | +24.25 | 40,266,366 | 40,266,366 |
| 2025-10-31 | 3.86 | 1,554,722 | 1.90 | -23,065 | -1.46 | 40,266,366 | 40,266,366 |
| 2025-10-15 | 3.92 | 1,577,787 | 1.82 | -573,430 | -26.66 | 40,266,366 | 40,266,366 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.