Equifax Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Equifax Inc. at $158.62: open interest within 90 days was 1,646 call and 2,742 put contracts, a put/call ratio of 1.67; the day's volume was 76 calls and 42 puts (0.55). The most call open interest sits at the $210.00 strike (269 contracts) and the most put open interest at $140.00 (1,621). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 8.6% of spot. For 16 October 2026, implied volatility was 40.6% at the put 5% below spot and 40.1% at the call 5% above, +0.6 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $210.00 | 269 |
| Puts | $140.00 | 1,621 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for EFX, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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