big parcel, page-9

I found this list of stock market trading codes and their meanings very useful.
Looking at the XTOS code next to yesterday's 'enormous cross'; it appears to be an overseas cross trade.
Cheers R

AM: ASX Match Facility Trade
BK: Buy Back
BP: Booking Purposes Only
BV: Book Value Switch
BW: Buy Write
CO: Standard Combination Trade
CT: Combination Trade
DR: Directed Reporting
EC: Exercise of Call
EF: Exercise Futures
EP: Exercise of Put
FM: Foreign Market Trade
LN: Loan
LR: Loan Return
PR: Prompt Re-booking
PS: Prompt Sale
PT: Put Through
ST: Stabilisation Trade
VW: Volume Weighted Average Price (VWAP) Trade
ON: Overnight
OS: Overseas
FD: Forward Delivery
OD: Overseas Delivery
OR: Overseas Resident
MI: Market Information
XT: Crossed Trade
SP: Block Special Sale (Special crossings where the consideration is greater than $1M)
SX: Special Sale Portfolio
SO: Other Special Sale (ie. Special Sales other than 'SP', 'SX' and 'SA')
SA: Special Crossing Sale to complete client order
IB: Index Replicating Special Crossing
ET: Exchange Traded Funds Special Trade
SH: Short