BILS Open Interest
BILS has 0 call contracts and 9 put contracts open across all listed expirations. Open interest counts the contracts currently outstanding at each strike. This page shows where BILS positioning concentrates, which strikes act as walls, and how the totals have trended over the past year.
Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
BILS Open Interest by Strike
BILS open interest by strike, all expirations combined — calls in green, puts in red.
| Total call open interest | 0 |
| Total put open interest | 9 |
| Open interest rank (31 day) | 79 / 100 |
| Put wall (largest put OI) | $100 |
| Top volume strike | $101 |
| Volume / OI ratio | 1.47 |
BILS Open Interest Trend
BILS total call vs. put open interest, past year.
BILS put/call open interest ratio, past year.
In total, 0 call contracts and 9 put contracts are open across all listed expirations. The put/call OI ratio has risen from 10.67 in Feb '26 to 29.83 today.
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BILS Options FAQ
Which BILS strikes have the highest open interest?
As of Aug 24, 2026, the largest put open interest sits at $100 (the put wall). Strikes with heavy open interest often act as reference levels because a lot of hedging activity is anchored to them.
Is BILS open interest unusually high right now?
BILS's total open interest ranks 79 out of 100 versus the past 31 trading days as of Aug 24, 2026 — toward the top of its recent range, so positioning is unusually heavy.
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.