MONARCH CASINO & RESORT INC

Ticker: MCRI CUSIP: 609027107 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q3 2021

Shares 476 Value ($000) $32 Avg Close $64.65 Range $56.35 - $69.99

Q2 2021

Shares 165 Value ($000) $11 Avg Close $69.05 Range $60.97 - $76.00

Q4 2020

Shares 100 Value ($000) $6 Avg Close $50.32 Range $40.19 - $61.87

Q4 2018

Shares 299 Value ($000) $11 Avg Close $40.62 Range $34.45 - $46.60

Q3 2018

Shares 299 Value ($000) $14 Avg Close $46.48 Range $43.54 - $49.63

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	476	$32	$64.65	$56.35 - $69.99
Q2 2021	165	$11	$69.05	$60.97 - $76.00
Q4 2020	100	$6	$50.32	$40.19 - $61.87
Q4 2018	299	$11	$40.62	$34.45 - $46.60
Q3 2018	299	$14	$46.48	$43.54 - $49.63