ARCH COAL INC

CUSIP: 039380407 Class: COMMON STOCK

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

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

Q1 2019
Shares 37 Value ($000) $3 Avg Close — Range —
Q4 2018
Shares 1,569 Value ($000) $130 Avg Close — Range —
Q3 2018
Shares 368 Value ($000) $33 Avg Close — Range —
Q2 2018
Shares 416 Value ($000) $33 Avg Close — Range —
Q3 2017
Shares 367 Value ($000) $26 Avg Close — Range —
Q2 2017
Shares 1,368 Value ($000) $93 Avg Close — Range —