10 Day Snapshot for GFL

Data as of Oct 7, 2026

Ten trading days of price, volume, volatility, and open-interest history. The highest value in each row is green, the lowest red.

DATA IS DELAYED — showing Oct 7, 2026. Subscribe to get the latest end-of-day data.

10 Day Snapshot	09-24	09-25	09-28	09-29	09-30	10-01	10-02	10-05	10-06	10-07
Stock Price	41.79	42.27	41.40	42.20	41.83	40.43	41.98	42.28	42.52	42.04
Price Change	-0.11	0.48	-0.87	0.80	-0.37	-1.40	0.00	0.30	0.24	-0.48
Stock Volume	2.39M	1.96M	2.62M	3.82M	2.99M	4.91M	6.75M	3.53M	3.62M	2.61M
Historical Volatility	0.275	0.276	0.276	0.277	0.277	0.279	0.277	0.277	0.277	0.277
Implied Volatility	0.582	0.593	0.675	0.587	0.738	0.693	0.801	0.864	0.860	0.873
Option Volume	7.02K	7.30K	3.86K	66.70K	37.88K	90.90K	97.37K	57.47K	25.39K	43.20K
Call Volume	4.39K	6.88K	1.29K	56.06K	35.86K	85.02K	86.01K	46.55K	18.66K	37.44K
Put Volume	2.63K	419	2.57K	10.64K	2.02K	5.88K	11.35K	10.91K	6.73K	5.76K
Open Interest	230.62K	268.54K	273.21K	277.50K	316.46K	421.27K	480.69K	552.60K	609.09K	636.88K
Call Open Interest	210.65K	238.06K	242.58K	244.06K	265.37K	368.74K	424.17K	485.38K	537.76K	556.48K
Put Open Interest	19.98K	30.48K	30.63K	33.44K	51.10K	52.53K	56.52K	67.21K	71.33K	80.40K
Put/Call Ratio	0.09	0.13	0.13	0.14	0.19	0.14	0.13	0.14	0.13	0.14
Strike Peg (10-16)	40.60	40.57	40.57	40.57	40.57	40.61	40.32	40.34	40.49	40.55
Strike Peg (11-20)	42.40	42.43	42.43	42.44	41.87	41.95	42.23	41.94	42.07	41.82