CALX Options History — March 2025

In March 2025, CALX traded between $29.55 and $37.14. ATM implied volatility averaged 47.6%, placing in the 36.3% IV rank vs the trailing year. The 30-day expected move averaged 14.6%. IV traded above realized volatility by 4.0% (HV 20d: 43.5%). Max pain ranged from $35.00 to $37.50. Net GEX was positive for 1 of 21 trading days. Term structure was in contango for 13 of 21 days. Put/call ratio averaged 2.20.

Notable Days

  • 2025-03-03: Highest Volume — 6,043 contracts
  • 2025-03-10: Largest IV spike — 32.7% change
  • 2025-03-10: Highest IV Rank — 54.9%
  • 2025-03-10: Largest Expected Move — 17.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$34.30$29.55$37.14$35.66$35.43
Max Pain$36.25$35.00$37.50$37.50$35.00
ATM IV47.6%42.5%61.3%47.2%45.3%
Expected Move14.6%13.2%17.6%13.5%15.0%
HV 20d43.5%22.0%53.1%28.6%52.4%
HV 60d45.6%41.6%47.4%41.6%47.3%
IV Rank36.3%29.5%54.9%35.9%33.3%
IV Percentile71.9%56.7%91.3%75.8%67.9%
Term Structure1.7%-6.6%7.4%-2.0%7.4%
VWIV50.5%46.1%58.5%48.5%51.8%
Skew 25d3.8%-15.4%14.8%-15.4%8.1%
Skew 10d10.8%-3.8%28.8%6.5%28.8%
Call IV 25d44.0%32.1%53.4%53.4%38.8%
Put IV 25d47.8%33.7%57.8%38.1%46.8%
Bid-Ask Spread %70.4444.9296.6090.0358.03
Gamma HHI0.310.160.390.160.36
Net GEX-154.5K-244.4K60.6K60.6K-218.7K
Net DEX2.9M-1.1M8.2M-1.1M1.5M
Net VEX-22.9K-31.1K-9.8K-9.8K-18.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio2.200.0030.251.961.55
Total Volume398.81126,0436,04351
Total OI8,630.9522,8449,4752,8448,601

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2025-03-03$35.66$37.5047.2%13.5%28.6%35.9%48.5%-15.4%-2.0%60.6K-1.1M-9.8K1.9690.032,0424,0012,287557
2025-03-04$35.16$37.5047.9%13.7%28.7%36.7%47.2%-14.0%-6.6%-115.8K2.1M-31.1K0.4089.961044,3294,536
2025-03-05$34.45$37.5047.9%13.7%24.8%36.7%49.2%5.0%-0.3%-135.6K3.2M-29.7K0.6285.551384,3364,537
2025-03-06$33.26$37.5050.7%14.5%22.0%40.6%50.7%3.8%-2.1%-192.4K4.9M-26.8K30.2567.7741214,3274,545
2025-03-07$32.05$37.5046.2%13.2%23.8%34.5%46.1%6.2%-0.4%-229.6K6.3M-23.8K0.9081.142041844,3294,555
2025-03-10$29.55$37.5061.3%17.6%33.7%54.9%57.8%6.8%-3.3%-209.7K8.2M-19.8K4.1482.93281164,4154,657
2025-03-11$31.62$37.5052.3%16.6%44.1%42.7%58.5%5.6%-2.3%-211.3K6.2M-23.9K0.1978.9969134,4354,530
2025-03-12$32.22$37.5049.3%15.8%45.5%38.7%53.2%5.6%0.1%-211.1K5.7M-24.3K0.0487.23268104,4484,541
2025-03-13$31.86$37.5051.0%15.5%45.0%41.0%54.8%4.6%-0.1%-226.0K6.4M-22.9K2.6785.356164,5724,551
2025-03-14$33.23$37.5048.5%14.3%48.6%37.7%0.0%4.9%0.7%-202.2K4.6M-25.7K0.0096.601904,5734,563
2025-03-17$33.48$35.0046.8%13.8%48.8%35.2%0.0%6.0%1.0%-244.4K4.5M-23.4K0.9153.5411104,5824,563
2025-03-18$34.05$35.0046.2%13.6%49.5%34.4%47.0%6.5%0.8%-214.9K3.4M-23.3K1.5145.65741124,5734,563
2025-03-19$35.06$35.0045.3%13.6%50.9%33.3%46.8%14.8%2.0%-185.5K2.3M-23.7K0.2663.1262164,6144,669
2025-03-20$35.81$0.0045.3%14.7%51.8%33.3%46.6%4.3%5.7%-135.0K1.3M-23.7K0.1491.73221304,6354,663
2025-03-21$35.91$35.0045.2%14.7%51.5%33.1%0.0%4.0%5.6%-116.8K1.0M-23.5K0.0056.9114004,7994,676
2025-03-24$37.14$35.0042.5%14.2%53.1%29.5%48.5%3.9%7.0%-21.9K-971.1K-21.8K0.0661.46240153,9504,426
2025-03-25$36.95$35.0043.3%14.1%53.0%30.5%49.3%2.3%6.2%-21.1K-1.1M-22.2K0.2644.9265174,0974,441
2025-03-26$36.49$35.0044.0%14.3%53.0%31.4%0.0%-5.4%5.6%-67.1K-453.0K-22.1K0.0157.9012714,1484,452
2025-03-27$35.93$35.0045.3%14.6%52.6%33.2%50.9%13.2%5.5%-145.8K706.4K-20.6K0.2053.701024,1324,453
2025-03-28$35.00$35.0047.4%14.9%52.8%36.1%52.0%8.1%4.6%-200.9K1.9M-20.3K0.0946.633234,1374,453
2025-03-31$35.43$35.0045.3%15.0%52.4%33.3%51.8%8.1%7.4%-218.7K1.5M-18.8K1.5558.0320314,1474,454