CALF Options History — May 2025

In May 2025, CALF traded between $36.19 and $39.69. ATM implied volatility averaged 24.5%, placing in the 22.3% IV rank vs the trailing year. The 30-day expected move averaged 6.2%. IV traded below realized volatility by 7.1% (HV 20d: 31.6%). Max pain ranged from $35.00 to $37.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 10 of 21 days. Put/call ratio averaged 0.08.

Notable Days

  • 2025-05-13: Highest Volume — 61 contracts
  • 2025-05-14: Largest IV drop — 53.4% change
  • 2025-05-13: Highest IV Rank — 56.7%
  • 2025-05-01: Largest Expected Move — 7.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$38.26$36.19$39.69$36.19$38.55
Max Pain$36.33$35.00$37.00$35.00$37.00
ATM IV24.5%17.7%41.3%26.4%21.1%
Expected Move6.2%5.1%7.6%7.6%6.1%
HV 20d31.6%21.0%64.7%64.7%22.2%
HV 60d41.0%40.3%41.5%40.3%40.9%
IV Rank22.3%8.5%56.7%26.3%15.5%
IV Percentile42.2%5.2%95.2%66.3%21.8%
Term Structure0.4%-1.2%3.8%-0.6%-1.1%
VWIV20.2%20.2%20.2%20.2%20.2%
Skew 25d1.4%-3.2%2.9%0.4%2.5%
Skew 10d-0.9%-10.5%5.9%-9.9%-3.7%
Call IV 25d20.9%18.0%27.8%27.8%22.6%
Put IV 25d22.3%19.3%28.2%28.2%25.1%
Bid-Ask Spread %126.62115.69131.55123.36123.93
Gamma HHI0.490.360.580.380.58
Net GEX18.0K14.4K20.5K18.2K16.2K
Net DEX-202.6K-350.3K-113.4K-113.4K-136.3K
Net VEX-977-1.1K-829-829-884
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.080.000.500.000.00
Total Volume5.90506110
Total OI212.857192234227193

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-05-01$36.19$35.0026.4%7.6%64.7%26.3%0.0%0.4%-0.6%18.2K-113.4K-8290.00123.36N/AN/A1020819
2025-05-02$36.81$35.0024.6%7.1%57.6%22.7%0.0%-1.8%-0.6%20.0K-164.9K-9670.00121.13N/AN/A1020819
2025-05-05$36.84$36.0022.9%7.0%55.0%19.2%0.0%2.5%-0.0%20.3K-175.9K-9520.00129.59N/AN/A4020719
2025-05-06$36.73$36.0027.9%7.0%53.9%29.2%0.0%2.4%0.2%20.5K-160.5K-8990.00128.82N/AN/A0420519
2025-05-07$36.80$36.0030.2%7.1%51.3%34.0%0.0%2.6%-0.9%19.3K-155.4K-9000.00126.54N/AN/A0020522
2025-05-08$37.69$36.0028.4%6.5%34.0%30.3%0.0%1.3%-0.2%19.4K-217.5K-9780.50122.96N/AN/A2120521
2025-05-09$37.56$36.0032.0%6.5%22.8%37.7%0.0%2.8%-0.5%19.0K-215.9K-1.0K0.00129.66N/AN/A40020722
2025-05-12$39.01$36.0034.5%6.2%24.5%42.7%0.0%1.3%2.4%18.0K-319.6K-1.1K0.17122.98N/AN/A6120722
2025-05-13$39.69$36.0041.3%5.3%24.7%56.7%0.0%2.5%0.1%19.6K-350.3K-1.1K0.00129.54N/AN/A61021321
2025-05-14$39.23$36.0019.3%5.5%25.0%11.7%0.0%1.4%-0.6%18.8K-336.1K-1.1K0.00130.84N/AN/A0020821
2025-05-15$39.17$36.0019.5%5.6%24.2%12.2%0.0%2.1%0.8%18.1K-317.1K-1.1K0.00130.62N/AN/A0020821
2025-05-16$39.47$36.0017.7%5.1%23.7%8.5%20.2%1.8%3.7%19.1K-332.5K-1.1K0.00131.55N/AN/A0220821
2025-05-19$39.16$37.0019.3%5.5%21.9%11.7%0.0%1.9%1.0%17.1K-181.2K-1.0K0.00127.44N/AN/A0017418
2025-05-20$39.19$37.0019.9%5.7%21.0%13.0%0.0%1.5%-0.8%17.3K-194.6K-1.0K0.00129.63N/AN/A0017418
2025-05-21$38.39$37.0019.7%5.6%23.1%12.5%0.0%0.7%0.0%15.9K-151.8K-9570.00123.29N/AN/A1017418
2025-05-22$38.36$37.0020.9%6.0%22.0%15.2%0.0%2.9%2.3%15.0K-133.8K-9300.00127.73N/AN/A0017518
2025-05-23$38.14$37.0023.9%6.9%22.3%21.2%0.0%2.4%-0.2%14.4K-123.1K-9170.00126.03N/AN/A0017518
2025-05-27$39.00$37.0021.5%6.2%23.3%16.2%0.0%-1.6%3.8%17.0K-151.8K-9300.00115.69N/AN/A0017518
2025-05-28$38.77$37.0020.8%6.0%23.5%15.0%0.0%-3.2%-1.2%17.3K-169.7K-9510.00128.16N/AN/A0017518
2025-05-29$38.77$37.0021.8%6.2%22.6%16.8%0.0%2.6%1.5%16.4K-152.8K-9240.00129.47N/AN/A0017518
2025-05-30$38.55$37.0021.1%6.1%22.2%15.5%0.0%2.5%-1.1%16.2K-136.3K-8840.00123.93N/AN/A0017518