GROUP ONE TRADING, L.P. - ROBERT HALF INTL INC ownership

ROBERT HALF INTL INC's ticker is and the CUSIP is 770323953. A total of 3 filers reported holding ROBERT HALF INTL INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ROBERT HALF INTL INC
ValueSharesWeighting
Q2 2023$22,566
+12.8%
300
+50.0%
0.00%
Q3 2021$20,000
-71.8%
200
-75.0%
0.00%
Q2 2021$71,000
+343.8%
800
+300.0%
0.00%
Q1 2021$16,000
-96.6%
200
-97.4%
0.00%
-100.0%
Q4 2020$475,000
-79.3%
7,600
-82.5%
0.00%
-85.7%
Q3 2020$2,298,000
+29.8%
43,400
+29.6%
0.01%
-12.5%
Q2 2020$1,770,000
+25185.7%
33,500
+33400.0%
0.01%
Q3 2018$7,0001000.00%
Other shareholders
ROBERT HALF INTL INC shareholders Q4 2020
NameSharesValueWeighting ↓
Maven Securities LTD 15,300$1,535,0000.05%
SIMPLEX TRADING, LLC 17,700$1,581,0000.00%
GROUP ONE TRADING, L.P. 200$20,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of ROBERT HALF INTL INC shareholders