GKOS Moves

Glaukos Corporation GKOS 246.7 13.66 5.86%

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Expected move

November 04, 2026 close · $249.41

Horizon	Expected move	Typical range	2 in 3 closes	9 in 10 closes
Next session	±2.0% ±$5.11	$244.30 – $254.52	$243.27 – $255.55	$238.44 – $260.38
2 sessions	±2.9% ±$7.11	$242.30 – $256.52	$240.81 – $258.01	$234.07 – $264.75
3 sessions	±3.6% ±$8.95	$240.46 – $258.36	$238.74 – $260.08	$230.36 – $268.46
1 week	±4.6% ±$11.37	$238.04 – $260.78	$235.49 – $263.33	$225.17 – $273.65
2 weeks	±6.4% ±$15.96	$233.45 – $265.37	$229.66 – $269.16	$215.34 – $283.48
3 weeks	±7.9% ±$19.78	$229.63 – $269.19	$224.82 – $274.00	$207.58 – $291.24
1 month	±9.5% ±$23.59	$225.82 – $273.00	$219.95 – $278.87	$199.40 – $299.42

Size, not direction. The 68% and 90% bands held 66–68% and 89–90% of closes in held-out years 2019–2026. Draw the cone on the chart →

Volatility premium

Beta

The forecast is for the current session, which this plan does not open.

Earnings: priced against what happened

Average implied move

±10.99%

Average actual move

20.01%

Beyond the implied move

1 / 1

Reaction session	Implied	Actual	Used	ATM IV before → after
February 21, 2025	±10.99%	-20.01%	1.82×	—

Reconstructed from archived mid quotes; the straddle covers its expiration, not only the reaction session. These are not option returns. Method and missing reports →