Community price on backpack.tf: 14.0 keys, last changed 2025-12-29 (8mo ago). The live quote above, 10.4 keys, is 26% lower and last moved 14h ago. They are different measures: the quote is what traders and bots are asking and bidding on the classifieds right now, and it moves for thousands of items every day; the community price is a suggestion accepted by vote, which changes only when someone argues it should. A quote well away from the vote is usually a price that is about to be re-argued. Community prices from backpack.tf, read under an hour ago.
Price history
21 observations
Interactive chart. Press the left and right arrow keys to move along the series, Home or End to jump to either end, Escape to clear.
The key axis converts at today's rate. Prices are recorded in metal, so a line that is flat in keys followed the key rate rather than standing still.
Massed Flies Greased Lightning sell price, 2025-09-25 to 2026-09-05: 21 observations, from 15.8 keys to 10.4 keys.
Observed (UTC)
Sell
Buy
25 SEP 2025 · 03:29 UTC
15.8 keys
13.0 keys
30 SEP 2025 · 21:18 UTC
15.9 keys
13.0 keys
9 OCT 2025 · 09:00 UTC
15.2 keys
13.6 keys
19 OCT 2025 · 20:48 UTC
14.4 keys
13.0 keys
25 OCT 2025 · 17:11 UTC
13.7 keys
12.4 keys
10 NOV 2025 · 01:12 UTC
14.1 keys
12.7 keys
26 JUN 2026 · 13:11 UTC
13.4 keys
11.7 keys
29 JUN 2026 · 01:14 UTC
12.8 keys
11.1 keys
5 JUL 2026 · 19:12 UTC
11.3 keys
9.86 keys
12 JUL 2026 · 22:44 UTC
10.1 keys
8.75 keys
19 JUL 2026 · 22:44 UTC
11.3 keys
9.80 keys
30 JUL 2026 · 16:44 UTC
13.4 keys
11.7 keys
3 AUG 2026 · 15:12 UTC
10.6 keys
9.25 keys
12 AUG 2026 · 01:11 UTC
10.4 keys
9.08 keys
21 AUG 2026 · 10:09 UTC
10.1 keys
8.78 keys
22 AUG 2026 · 14:08 UTC
10.6 keys
9.23 keys
25 AUG 2026 · 04:09 UTC
12.4 keys
10.8 keys
27 AUG 2026 · 00:09 UTC
12.3 keys
10.7 keys
27 AUG 2026 · 20:10 UTC
10.8 keys
9.35 keys
4 SEP 2026 · 02:08 UTC
9.54 keys
8.29 keys
5 SEP 2026 · 02:08 UTC
10.4 keys
9.01 keys
Price history in numbers
21 readings since 25 Sep 2025
Over the last 30 days the Massed Flies Greased Lightning's sell price ranged from 9.54 keys to 12.4 keys and is down 0.4% after 7 moves. Over a year it ranged from 9.54 keys to 15.9 keys (down 34.6%). Today's 10.4 keys sits in the lower third of its range: the lowest we have recorded is 9.54 keys (4 Sep 2026) and the highest 15.9 keys (30 Sep 2025). The price has moved 20 times since we began recording it — about once every 17 days.
Professional Killstreak Degreaser