SPDR S&P MIDCAP 400 ETF TRUST (MDY) Most Active Options
The 16 most actively traded SPDR S&P MIDCAP 400 ETF TRUST (MDY) option contracts at the latest daily snapshot, ranked by volume. Each row shows the contract's price, implied volatility, delta, open interest, and how today's volume compares with its own 30-day average — click a contract to analyze it in the OptiView platform.
Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Most Active MDY Contracts
| Contract | Expiration | DTE | Last | IV | IV rank (30d) | Delta | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|---|---|---|
| MDY $695 put | Sep 18, 2026 | 25d | $10.05 | — | 5 | — | 6 | 66 | 10.6× avg |
| MDY $630 put | Jan 15, 2027 | 144d | $9.00 | 0.0% | 0 | 1.00 | 1,550 | 31 | 4.4× avg |
| MDY $665 put | Dec 18, 2026 | 116d | $14.00 | — | — | — | 5 | 26 | — |
| MDY $595 put | Oct 16, 2026 | 53d | $1.40 | 27.6% | 6 | -0.06 | — | 17 | 1.9× avg |
| MDY $725 call | Oct 16, 2026 | 53d | $5.50 | 13.1% | 61 | 0.23 | 52 | 11 | 4.0× avg |
| MDY $730 call | Sep 18, 2026 | 25d | $1.39 | — | 15 | — | 53 | 7 | 1.5× avg |
| MDY $630 put | Sep 18, 2026 | 25d | $0.05 | — | 30 | — | 1,059 | 6 | 58.5× avg |
| MDY $730 call | Oct 16, 2026 | 53d | $4.10 | 0.0% | 0 | 1.00 | 1 | 6 | 2.2× avg |
| MDY $850 call | Dec 17, 2027 | 480d | $16.10 | — | 9 | — | 8 | 2 | 90.5× avg |
| MDY $725 call | Sep 18, 2026 | 25d | $1.59 | — | 2 | — | 36 | 2 | 0.4× avg |
| MDY $715 call | Sep 18, 2026 | 25d | $2.85 | — | 18 | — | 56 | 2 | 0.4× avg |
| MDY $540 put | Dec 18, 2026 | 116d | $1.85 | — | 51 | — | 1 | 1 | 0.1× avg |
| MDY $770 call | Sep 18, 2026 | 25d | $0.53 | — | 34 | — | 1 | 1 | 0.6× avg |
| MDY $720 call | Sep 18, 2026 | 25d | $2.28 | — | 5 | — | 963 | 1 | 0.2× avg |
| MDY $800 call | Dec 17, 2027 | 480d | $28.10 | — | 64 | — | 322 | 1 | 5.3× avg |
| MDY $675 put | Sep 18, 2026 | 25d | $4.20 | — | 34 | — | 410 | 1 | 0.2× avg |
Ranked by volume at the latest daily snapshot. "vs 30d avg" compares today's volume with the contract's own 30-day average.
The most active MDY contract today is the $695 put expiring in 25 days, with 66 contracts traded. Calls dominate the most-active list (9 of the top 16), showing where trading interest concentrates.
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MDY Options FAQ
Which MDY option contract is most active today?
The most traded MDY contract is the $695 put expiring Sep 18, 2026, with 66 contracts traded as of Aug 24, 2026.
How does OptiView rank the most active MDY options?
The table lists the 16 MDY contracts with the highest volume at the latest daily snapshot, alongside price, implied volatility, delta, open interest, and each contract's volume versus its own 30-day average.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.