CALPINE CORP

CUSIP: 131347304 Class: COM

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

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

Q4 2017
Shares 326,335 Value ($000) $4,937 Avg Close — Range —
Q3 2017
Shares 152,078 Value ($000) $2,243 Avg Close — Range —
Q2 2017
Shares 118,538 Value ($000) $1,604 Avg Close — Range —
Q1 2017
Shares 259,321 Value ($000) $2,866 Avg Close — Range —
Q4 2016
Shares 321,885 Value ($000) $3,679 Avg Close — Range —
Q3 2016
Shares 258,614 Value ($000) $3,269 Avg Close — Range —
Q4 2015
Shares 68,115 Value ($000) $986 Avg Close — Range —
Q3 2015
Shares 65,439 Value ($000) $955 Avg Close — Range —
Q2 2015
Shares 26,043 Value ($000) $469 Avg Close — Range —
Q1 2015
Shares 4,011 Value ($000) $92 Avg Close — Range —
Q4 2014
Shares 53,577 Value ($000) $1,186 Avg Close — Range —
Q3 2014
Shares 107,688 Value ($000) $2,337 Avg Close — Range —
Q2 2014
Shares 122,338 Value ($000) $2,913 Avg Close — Range —
Q1 2014
Shares 117,806 Value ($000) $2,463 Avg Close — Range —
Q4 2013
Shares 89,692 Value ($000) $1,750 Avg Close — Range —
Q3 2013
Shares 24,470 Value ($000) $475 Avg Close — Range —
Q2 2013
Shares 27,202 Value ($000) $578 Avg Close — Range —