ProShares Short S&P500 -1x Shares

SHAMEX · USD
32.47USD0.00 (+1.19%)

ProShares Short S&P500 -1x Shares (SH) Options Open Interest

SH options open interest is 46,886 contracts. The 2-week average daily volume is 765 contracts across the chain.

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Monitoring SH open interest helps you see where real money is positioned on ProShares Short S&P500 -1x Shares's options and which strikes are attracting the most commitment from traders. ProShares Short S&P500 -1x Shares's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor SH options open interest in real time and find the strikes that matter.

Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising SH options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect ProShares Short S&P500 -1x Shares to settle.

ProShares Short S&P500 seeks daily investment results, before fees and expenses, that correspond to the inverse (-1x) of the daily performance of the S&P 500.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where SH open interest is concentrated. Our scanner maps ProShares Short S&P500 -1x Shares's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade ProShares Short S&P500 -1x Shares's options open interest as the signal it is, not as an afterthought.

2026-11-20
Calls
45.00—0.050.0552%+0.0266365
32.000.701.050.8813%+0.6815339
36.00—0.200.2029%+0.1413284
33.000.400.700.5518%+0.4245259
34.000.200.400.3020%+0.2569238
Puts
29.00—0.300.3038%-0.145446
34.001.352.401.8825%-0.692646
32.000.250.350.3014%-0.324527
33.000.601.401.0019%-0.569424
31.00—0.300.3022%-0.223721

As of October 15, 2026

Follow the money

Track SH open interest across every strike and expiration, identify where conviction is building, and trade with the positioning data on your side.

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