Resmed Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Resmed Inc. at $224.43: open interest within 90 days was 2,333 call and 1,424 put contracts, a put/call ratio of 0.61; the day's volume was 52 calls and 48 puts (0.92). The most call open interest sits at the $250.00 strike (710 contracts) and the most put open interest at $230.00 (329). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 6.0% of spot. For 16 October 2026, implied volatility was 28.7% at the put 5% below spot and 27.9% at the call 5% above, +0.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $250.00 | 710 |
| Puts | $230.00 | 329 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for RMD, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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