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Massed Flies Killer Exclusive

Massed FliesUnusual2d ago
Sell price
21 keys, 54.55 ref
Buy price
19 keys
In keys
21.9 keys
In USD
$49.42 at the Steam key rate

Community price on backpack.tf: 22.0–23.0 keys, last changed 2024-04-26 (2.4y ago). The live quote above, 21.9 keys, is 1% lower and last moved 2d 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

61 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 Killer Exclusive sell price, 2025-09-25 to 2026-09-04: 61 observations, from 24.4 keys to 21.9 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC24.4 keys19.1 keys
9 OCT 2025 · 07:52 UTC23.3 keys19.2 keys
19 OCT 2025 · 19:38 UTC22.2 keys18.3 keys
9 NOV 2025 · 23:55 UTC24.1 keys19.8 keys
5 DEC 2025 · 04:45 UTC21.5 keys19.2 keys
23 DEC 2025 · 11:09 UTC23.1 keys20.0 keys
30 DEC 2025 · 06:46 UTC22.0 keys18.7 keys
23 JAN 2026 · 13:43 UTC19.4 keys17.5 keys
1 FEB 2026 · 23:42 UTC18.6 keys16.7 keys
15 FEB 2026 · 18:39 UTC25.6 keys17.7 keys
22 FEB 2026 · 06:40 UTC24.2 keys16.6 keys
8 MAR 2026 · 22:40 UTC24.0 keys15.3 keys
15 MAR 2026 · 02:06 UTC23.8 keys16.1 keys
30 MAR 2026 · 02:06 UTC26.0 keys17.1 keys
19 APR 2026 · 22:29 UTC21.3 keys17.8 keys
29 APR 2026 · 00:29 UTC20.2 keys17.3 keys
10 MAY 2026 · 22:31 UTC21.1 keys18.6 keys
17 MAY 2026 · 22:30 UTC21.0 keys18.2 keys
1 JUN 2026 · 00:29 UTC20.8 keys16.1 keys
8 JUN 2026 · 00:30 UTC20.5 keys16.6 keys
22 JUN 2026 · 00:10 UTC21.0 keys17.7 keys
29 JUN 2026 · 01:14 UTC14.3 keys12.4 keys
11 JUL 2026 · 08:43 UTC18.8 keys16.4 keys
29 JUL 2026 · 00:45 UTC19.8 keys17.2 keys
10 AUG 2026 · 01:11 UTC21.3 keys18.6 keys
20 AUG 2026 · 16:08 UTC20.2 keys17.6 keys
22 AUG 2026 · 10:08 UTC19.1 keys16.6 keys
23 AUG 2026 · 10:08 UTC19.4 keys16.9 keys
23 AUG 2026 · 22:08 UTC19.5 keys16.9 keys
25 AUG 2026 · 04:09 UTC20.0 keys17.4 keys
25 AUG 2026 · 16:09 UTC20.0 keys17.4 keys
26 AUG 2026 · 16:08 UTC20.1 keys17.5 keys
27 AUG 2026 · 04:10 UTC20.2 keys17.5 keys
28 AUG 2026 · 04:08 UTC20.3 keys17.6 keys
28 AUG 2026 · 16:09 UTC20.3 keys17.6 keys
29 AUG 2026 · 16:09 UTC20.3 keys17.7 keys
30 AUG 2026 · 08:08 UTC20.4 keys17.7 keys
31 AUG 2026 · 08:09 UTC20.3 keys17.7 keys
2 SEP 2026 · 18:08 UTC19.9 keys17.3 keys
4 SEP 2026 · 00:08 UTC21.9 keys19.0 keys

Price history in numbers

61 readings since 25 Sep 2025

Over the last 30 days the Massed Flies Killer Exclusive's sell price ranged from 19.1 keys to 21.9 keys and is up 2.5% after 23 moves. Over a year it ranged from 14.3 keys to 27.2 keys (down 10.4%). Today's 21.9 keys sits in the middle of its range: the lowest we have recorded is 14.3 keys (29 Jun 2026) and the highest 27.2 keys (8 Apr 2026). The price has moved 60 times since we began recording it — about once every 6 days.

WindowLowHighChangeMovesReadings
30 days19.1 keys21.9 keys+2.5%2324
90 days14.3 keys21.9 keys+6.5%3132
a year14.3 keys27.2 keys−10.4%6061

Details

SKU538;5;u12
Last price change2026-09-04 00:08 UTC
Key rate when recorded62.89 ref

Same effect, other items

the effect across the catalogue

Other effects on the Killer Exclusive

same item, different effect

Priced similarly

across the catalogue