EQUIFAX INC (EFX) Most Active Options
The 22 most actively traded EQUIFAX INC (EFX) option contracts at the latest daily snapshot, ranked by volume. Each row shows the contract's price, implied volatility, delta, open interest, and how today's volume compares with its own 30-day average — click a contract to analyze it in the OptiView platform.
Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Most Active EFX Contracts
| Contract | Expiration | DTE | Last | IV | IV rank (30d) | Delta | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|---|---|---|
| EFX $135 put | Sep 18, 2026 | 25d | $0.05 | 85.3% | 30 | -0.04 | 3 | 20 | 12.0× avg |
| EFX $140 put | Sep 18, 2026 | 25d | $0.05 | 71.6% | 41 | -0.03 | 4 | 20 | 21.9× avg |
| EFX $210 call | Sep 18, 2026 | 25d | $2.98 | 33.3% | 0 | 0.21 | 102 | 12 | 5.1× avg |
| EFX $200 call | Sep 18, 2026 | 25d | $4.40 | 33.4% | 0 | 0.40 | 320 | 7 | 2.4× avg |
| EFX $200 call | Oct 16, 2026 | 53d | $9.02 | 36.8% | 17 | 0.46 | 148 | 6 | 2.5× avg |
| EFX $185 put | Sep 18, 2026 | 25d | $3.64 | 37.5% | 13 | -0.28 | 8 | 3 | 0.3× avg |
| EFX $185 put | Apr 16, 2027 | 235d | $17.65 | 39.1% | 0 | -0.35 | 0 | 2 | 5.6× avg |
| EFX $230 call | Oct 16, 2026 | 53d | $2.25 | 38.4% | 3 | 0.15 | 53 | 2 | 0.9× avg |
| EFX $220 call | Dec 18, 2026 | 116d | $9.00 | 37.5% | 7 | 0.33 | 78 | 2 | 2.8× avg |
| EFX $200 call | Apr 16, 2027 | 235d | $22.65 | 38.6% | 11 | 0.55 | 3 | 2 | 4.7× avg |
| EFX $195 put | Sep 18, 2026 | 25d | $7.80 | 38.6% | 37 | -0.48 | 1 | 1 | 0.2× avg |
| EFX $220 call | Sep 18, 2026 | 25d | $1.25 | 36.8% | 12 | 0.11 | 5 | 1 | 0.4× avg |
| EFX $210 put | Dec 18, 2026 | 116d | $25.20 | 39.5% | 39 | -0.58 | 28 | 1 | 2.1× avg |
| EFX $185 put | Oct 16, 2026 | 53d | $6.40 | 39.4% | 43 | -0.33 | 0 | 1 | 2.5× avg |
| EFX $195 call | Dec 18, 2026 | 116d | $17.44 | 38.5% | 10 | 0.55 | 55 | 1 | 2.3× avg |
| EFX $200 call | Dec 18, 2026 | 116d | $14.80 | 38.3% | 7 | 0.51 | 74 | 1 | 2.3× avg |
| EFX $195 call | Sep 18, 2026 | 25d | $7.50 | 34.3% | 7 | 0.52 | 139 | 1 | 0.3× avg |
| EFX $260 call | Dec 18, 2026 | 116d | $1.95 | 37.0% | 11 | 0.11 | 13 | 1 | 1.5× avg |
| EFX $195 put | Dec 18, 2026 | 116d | $17.24 | 40.4% | 43 | -0.44 | 27 | 1 | 4.7× avg |
| EFX $165 put | Sep 18, 2026 | 25d | $0.77 | 47.9% | 26 | -0.08 | 1,615 | 1 | 0.2× avg |
| EFX $180 put | Sep 18, 2026 | 25d | $2.98 | 38.9% | 5 | -0.20 | 5 | 1 | 0.2× avg |
| EFX $160 put | Sep 18, 2026 | 25d | $0.45 | 49.0% | 0 | -0.05 | 8 | 1 | 1.1× avg |
Ranked by volume at the latest daily snapshot. "vs 30d avg" compares today's volume with the contract's own 30-day average.
The most active EFX contract today is the $135 put expiring in 25 days, with 20 contracts traded.
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EFX Options FAQ
Which EFX option contract is most active today?
The most traded EFX contract is the $135 put expiring Sep 18, 2026, with 20 contracts traded as of Aug 24, 2026.
How does OptiView rank the most active EFX options?
The table lists the 22 EFX contracts with the highest volume at the latest daily snapshot, alongside price, implied volatility, delta, open interest, and each contract's volume versus its own 30-day average.
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.