iShares U.S. Basic Materials ETF

IYMAMEX · USD
178.97USD+0.43 (+0.25%)

iShares U.S. Basic Materials ETF (IYM) Options Open Interest

IYM options open interest is 314 contracts. The 2-week average daily volume is 8 contracts across the chain.

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Monitoring IYM open interest helps you see where real money is positioned on iShares U.S. Basic Materials ETF's options and which strikes are attracting the most commitment from traders. iShares U.S. Basic Materials ETF'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 IYM 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 IYM 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 iShares U.S. Basic Materials ETF to settle.

The iShares U.S. Basic Materials ETF seeks to track the investment results of an index composed of U.S. equities in the basic materials sector.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where IYM open interest is concentrated. Our scanner maps iShares U.S. Basic Materials ETF'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 iShares U.S. Basic Materials ETF's options open interest as the signal it is, not as an afterthought.

2026-11-20
Calls
190.00—2.002.0030%+0.244010
184.000.104.002.0520%+0.32391
188.00—3.003.0033%+0.30821
150.0028.0030.6029.3038%+0.96020
155.0023.0025.6024.3032%+0.95530
Puts
179.002.506.004.2522%-0.48518
175.001.004.002.5022%-0.33956
180.003.006.204.6021%-0.52404
181.003.907.005.4523%-0.55644
177.001.604.903.2522%-0.41053

As of October 23, 2026

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Track IYM 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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