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Massed Flies FR-0

Massed FliesUnusual13h ago
Sell price
9 keys, 30.11 ref
Buy price
8 keys, 15 ref
In keys
9.47 keys
In USD
$21.49 at the Steam key rate

Community price on backpack.tf: 13.0 keys, last changed 2023-12-22 (2.7y ago). The live quote above, 9.47 keys, is 27% lower and last moved 13h 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 1h ago.

Price history

72 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 FR-0 sell price, 2025-09-25 to 2026-09-05: 72 observations, from 12.9 keys to 9.47 keys. Sampled evenly across the range.
Observed (UTC)SellBuy
25 SEP 2025 · 03:29 UTC12.9 keys10.5 keys
9 OCT 2025 · 08:46 UTC13.3 keys11.9 keys
25 OCT 2025 · 16:56 UTC12.0 keys10.8 keys
10 NOV 2025 · 00:57 UTC12.6 keys11.3 keys
15 FEB 2026 · 22:40 UTC10.1 keys6.46 keys
8 MAR 2026 · 16:42 UTC9.95 keys7.65 keys
22 MAR 2026 · 20:07 UTC10.2 keys7.64 keys
12 APR 2026 · 14:30 UTC10.2 keys7.13 keys
30 APR 2026 · 12:29 UTC9.91 keys7.11 keys
3 MAY 2026 · 20:32 UTC9.28 keys6.92 keys
17 MAY 2026 · 22:31 UTC9.77 keys7.21 keys
1 JUN 2026 · 00:30 UTC9.85 keys7.08 keys
15 JUN 2026 · 06:29 UTC9.64 keys7.43 keys
29 JUN 2026 · 01:14 UTC9.71 keys8.40 keys
5 JUL 2026 · 23:12 UTC8.28 keys7.20 keys
19 JUL 2026 · 22:44 UTC8.47 keys7.33 keys
3 AUG 2026 · 00:24 UTC9.23 keys8.04 keys
21 AUG 2026 · 10:09 UTC9.21 keys8.01 keys
21 AUG 2026 · 18:09 UTC8.83 keys7.68 keys
22 AUG 2026 · 02:08 UTC8.89 keys7.73 keys
22 AUG 2026 · 06:08 UTC8.24 keys7.17 keys
22 AUG 2026 · 10:09 UTC8.79 keys7.64 keys
22 AUG 2026 · 16:08 UTC9.11 keys7.92 keys
23 AUG 2026 · 06:09 UTC8.92 keys7.76 keys
23 AUG 2026 · 12:08 UTC9.02 keys7.84 keys
24 AUG 2026 · 20:09 UTC8.87 keys7.71 keys
25 AUG 2026 · 04:09 UTC9.01 keys7.83 keys
25 AUG 2026 · 14:09 UTC9.00 keys7.83 keys
25 AUG 2026 · 20:09 UTC8.87 keys7.71 keys
26 AUG 2026 · 02:09 UTC9.03 keys7.85 keys
26 AUG 2026 · 16:09 UTC9.08 keys7.89 keys
27 AUG 2026 · 00:09 UTC8.90 keys7.74 keys
27 AUG 2026 · 06:09 UTC9.44 keys8.21 keys
31 AUG 2026 · 14:09 UTC8.90 keys7.74 keys
1 SEP 2026 · 04:09 UTC8.94 keys7.79 keys
1 SEP 2026 · 14:08 UTC8.94 keys7.79 keys
1 SEP 2026 · 22:08 UTC8.98 keys7.82 keys
2 SEP 2026 · 12:08 UTC8.79 keys7.67 keys
2 SEP 2026 · 20:08 UTC8.88 keys7.74 keys
5 SEP 2026 · 04:08 UTC9.47 keys8.23 keys

Price history in numbers

72 readings since 25 Sep 2025

Over the last 30 days the Massed Flies FR-0's sell price ranged from 8.24 keys to 9.47 keys and is up 7.9% after 41 moves. Over a year it ranged from 8.24 keys to 13.9 keys (down 26.6%). Today's 9.47 keys sits in the lower third of its range: the lowest we have recorded is 8.24 keys (22 Aug 2026) and the highest 13.9 keys (30 Sep 2025). The price has moved 71 times since we began recording it — about once every 5 days.

WindowLowHighChangeMovesReadings
30 days8.24 keys9.47 keys+7.9%4142
90 days8.24 keys9.73 keys−2.7%5051
a year8.24 keys13.9 keys−26.6%7172

Details

SKU30016;5;u12
Last price change2026-09-05 04:08 UTC
Key rate when recorded64.44 ref

Same effect, other items

the effect across the catalogue

Other effects on the FR-0

same item, different effect
ItemValueUpdated
Hellfire FR-0660 keys27d ago
Spellbound FR-0353 keys1mo ago
Arcana FR-0327 keys1mo ago
Darkblaze FR-0239 keys1mo ago
The Ooze FR-0231 keys2d ago
Green Black Hole FR-0219 keys2d ago
Time Warp FR-0198 keys1mo ago
Haunted Phantasm Jr FR-0134 keys2d ago
Anti-Freeze FR-0132 keys1h ago
Frostbite FR-0112 keys5h ago

Priced similarly

across the catalogue