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No deal41 TP-LINK ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module 10 991 Ft -8% Open on iPon Price target
-8%No deal41
TP-LINK · Network, server, security · Transceiver

TP-LINK ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module

In stock

Is this a good deal right now? Near the bottom of its 180-day range (10 991 Ft to 12 590 Ft); a fair price, not a standout. Prices checked .

10 991 Ft -8% typical 11 990 Ft
Discount8 / 45Saving2 / 20Stability13 / 15Freshness8 / 10Range10 / 10
41not a deal· Fair price

Why not a deal: It is not far enough below both its usual and its previous price.

  • Only 8% below its typical price of 11 990 Ft8 / 45
  • You save 999 Ft against the typical price2 / 20
  • The price was steady before, so the typical price is a fair yardstick13 / 15
  • The current price started 8 days ago8 / 10
  • The lowest price of its last 180 days10 / 10

Based on 95 observed days, confidence 100%. How the score works

What happened

  1. Down 8% to 10 991 Ft: the lowest we have seenFrom 11 990 Ft 31 Oct 2026
  2. Down 4% to 11 990 FtFrom 12 490 Ft 24 Jul 2026
  3. First seen at 12 490 Ft 21 May 2026

Price history

PriceTypical rangeOut of stock

This price history is free and has no ads. The server behind it is paid for by readers. Help cover server costs

Lowest since 21 May 2026
10 991 Ft
8 Nov 2026
Highest we have seen
12 590 Ft
23 Jun 2026
Lowest in 6 months
10 991 Ft
8 Nov 2026
Tracked for
172 days
95 observed days since 21 May 2026

Every day against its typical price

Below typicalAbove typicalNo reading that dayOut of stockBefore tracking
Every observation 102 readings, newest first
ObservedPriceChangevs todayHeld forStockNote
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft same In stock
10 991 Ft -999 Ft (-8.3%) same 8 days so far In stock New low
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +100 Ft (+0.8%) +9% 17 days In stock
11 890 Ft +8% In stock
11 890 Ft -100 Ft (-0.8%) +8% 1 day In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +100 Ft (+0.8%) +9% 3 days In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft -100 Ft (-0.8%) +8% 10 days In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +100 Ft (+0.8%) +9% 4 days In stock
11 890 Ft +8% In stock
11 890 Ft +8% In stock
11 890 Ft -100 Ft (-0.8%) +8% 2 days In stock New low
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft -100 Ft (-0.8%) +9% 26 days In stock
12 090 Ft +10% In stock
12 090 Ft +10% In stock
12 090 Ft +100 Ft (+0.8%) +10% 6 days In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft +9% In stock
11 990 Ft -500 Ft (-4.0%) +9% 29 days In stock New low
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft -100 Ft (-0.8%) +14% 28 days In stock
12 590 Ft +14% In stock
12 590 Ft +14% In stock
12 590 Ft +14% In stock
12 590 Ft +14% In stock
12 590 Ft +14% In stock
12 590 Ft +100 Ft (+0.8%) +14% 20 days In stock New high
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% In stock
12 490 Ft +14% 16 days In stock First seen

TP-LINK ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module

TP-LINK ISM321A-20 1000Base-BX WDM Bi-Directional Industrial SFP Module