Professor's Research (Mirror Holofoil)

SI: Start Deck 100 · #403/414

Professor's Research (Mirror Holofoil) — SI: Start Deck 100

Professor's Research (Mirror Holofoil)

TCGPlayer · US market · HolofoilUS$1.50USD market referenceObserved 23 Oct 2026
SetSI: Start Deck 100
Number403/414
RarityUnknown
Set CodeSI
Print Type

Professor's Research (Mirror Holofoil)

TCGPlayer · US market · HolofoilUS$1.50USD market referenceObserved 23 Oct 2026
▼69.94%historical change

Ungraded card references. Condition and selling costs affect what you receive; graded slab values are not covered.

Professor's Research (Mirror Holofoil) #403/414 from SI: Start Deck 100 (Holofoil): latest recorded price observation US$1.50, observed 23 Oct 2026. Source currency: USD.

What does this price mean?

TCGPlayer is a US-market reference in USD. Cardmarket uses a Broad foil guide · EUR source, converted from EUR to USD; it is not UK-only pricing. Prices refer to the displayed printing. Your card's condition, language, grading and selling costs can affect what you receive.

US market price history · 11 Dec 2024 – 23 Oct 2026
631 recorded price points. Change compares the first and last points shown.

View recorded prices as a table
US market-price observations in USD · Holofoil
DateMarket price
11 Dec 2024$4.99
12 Dec 2024$4.99
13 Dec 2024$4.99
14 Dec 2024$4.99
15 Dec 2024$4.99
16 Dec 2024$4.99
17 Dec 2024$4.99
18 Dec 2024$4.99
19 Dec 2024$4.99
7 Jan 2025$4.99
8 Jan 2025$4.99
9 Jan 2025$4.99
10 Jan 2025$4.99
11 Jan 2025$4.99
12 Jan 2025$4.99
13 Jan 2025$4.99
14 Jan 2025$4.99
15 Jan 2025$4.99
16 Jan 2025$4.99
17 Jan 2025$4.99
18 Jan 2025$4.99
19 Jan 2025$4.99
20 Jan 2025$4.99
21 Jan 2025$4.99
22 Jan 2025$4.99
23 Jan 2025$4.99
24 Jan 2025$4.99
25 Jan 2025$4.99
26 Jan 2025$4.99
27 Jan 2025$4.99
28 Jan 2025$4.99
29 Jan 2025$4.99
30 Jan 2025$4.99
31 Jan 2025$4.99
1 Feb 2025$4.99
2 Feb 2025$4.99
3 Feb 2025$4.99
4 Feb 2025$4.99
5 Feb 2025$4.99
6 Feb 2025$4.99
7 Feb 2025$3.74
8 Feb 2025$3.74
9 Feb 2025$3.74
10 Feb 2025$3.74
11 Feb 2025$3.74
12 Feb 2025$3.74
13 Feb 2025$3.74
14 Feb 2025$3.74
15 Feb 2025$3.74
16 Feb 2025$3.74
17 Feb 2025$3.74
18 Feb 2025$2.49
19 Feb 2025$2.49
20 Feb 2025$2.49
21 Feb 2025$2.49
22 Feb 2025$2.49
23 Feb 2025$2.49
24 Feb 2025$2.49
25 Feb 2025$2.49
26 Feb 2025$2.49
27 Feb 2025$2.49
28 Feb 2025$2.49
1 Mar 2025$2.49
2 Mar 2025$2.49
3 Mar 2025$2.49
4 Mar 2025$2.49
5 Mar 2025$2.49
6 Mar 2025$2.49
7 Mar 2025$2.49
8 Mar 2025$2.49
9 Mar 2025$2.49
10 Mar 2025$2.49
11 Mar 2025$2.49
12 Mar 2025$2.49
13 Mar 2025$2.49
14 Mar 2025$2.49
15 Mar 2025$2.49
16 Mar 2025$2.49
17 Mar 2025$2.49
18 Mar 2025$2.49
19 Mar 2025$2.49
20 Mar 2025$2.49
21 Mar 2025$2.49
22 Mar 2025$2.49
23 Mar 2025$2.49
24 Mar 2025$2.49
25 Mar 2025$2.49
26 Mar 2025$2.49
27 Mar 2025$2.49
28 Mar 2025$2.49
29 Mar 2025$2.49
30 Mar 2025$2.49
31 Mar 2025$2.49
1 Apr 2025$2.49
2 Apr 2025$2.49
3 Apr 2025$2.49
4 Apr 2025$2.49
5 Apr 2025$2.49
6 Apr 2025$2.49
7 Apr 2025$2.49
8 Apr 2025$2.49
9 Apr 2025$2.49
10 Apr 2025$2.49
11 Apr 2025$2.49
12 Apr 2025$2.49
13 Apr 2025$2.48
14 Apr 2025$2.48
15 Apr 2025$2.48
16 Apr 2025$2.48
17 Apr 2025$2.48
18 Apr 2025$2.48
19 Apr 2025$2.48
20 Apr 2025$2.48
21 Apr 2025$2.48
22 Apr 2025$2.48
23 Apr 2025$2.48
24 Apr 2025$2.48
25 Apr 2025$2.48
26 Apr 2025$2.48
27 Apr 2025$2.48
28 Apr 2025$2.48
29 Apr 2025$2.49
30 Apr 2025$2.49
1 May 2025$2.49
2 May 2025$2.49
3 May 2025$2.49
4 May 2025$2.49
5 May 2025$2.49
6 May 2025$2.49
7 May 2025$2.49
8 May 2025$2.49
9 May 2025$2.49
10 May 2025$2.49
11 May 2025$2.49
12 May 2025$2.49
13 May 2025$2.49
14 May 2025$2.49
15 May 2025$2.49
16 May 2025$2.49
17 May 2025$2.49
18 May 2025$2.49
19 May 2025$2.49
20 May 2025$2.49
21 May 2025$2.49
22 May 2025$2.49
23 May 2025$2.49
24 May 2025$2.49
25 May 2025$2.49
26 May 2025$2.49
27 May 2025$2.49
28 May 2025$2.49
29 May 2025$2.49
30 May 2025$2.49
31 May 2025$2.49
1 Jun 2025$2.49
2 Jun 2025$2.49
3 Jun 2025$2.49
4 Jun 2025$2.49
5 Jun 2025$2.49
6 Jun 2025$2.49
7 Jun 2025$2.49
8 Jun 2025$2.49
9 Jun 2025$2.49
10 Jun 2025$2.49
11 Jun 2025$2.49
12 Jun 2025$2.49
13 Jun 2025$2.49
14 Jun 2025$2.49
15 Jun 2025$2.49
16 Jun 2025$2.49
17 Jun 2025$2.49
18 Jun 2025$2.49
19 Jun 2025$2.49
20 Jun 2025$2.49
21 Jun 2025$2.49
22 Jun 2025$2.49
23 Jun 2025$2.49
24 Jun 2025$2.49
25 Jun 2025$2.49
26 Jun 2025$2.49
27 Jun 2025$2.49
28 Jun 2025$2.49
29 Jun 2025$2.49
30 Jun 2025$2.49
1 Jul 2025$2.49
2 Jul 2025$2.49
3 Jul 2025$2.49
4 Jul 2025$2.49
5 Jul 2025$2.49
6 Jul 2025$2.49
7 Jul 2025$2.49
8 Jul 2025$2.49
9 Jul 2025$2.49
10 Jul 2025$2.49
11 Jul 2025$2.49
12 Jul 2025$2.49
13 Jul 2025$2.49
14 Jul 2025$2.49
15 Jul 2025$2.49
16 Jul 2025$2.49
17 Jul 2025$2.49
18 Jul 2025$2.49
19 Jul 2025$2.49
20 Jul 2025$2.49
21 Jul 2025$2.49
22 Jul 2025$2.49
23 Jul 2025$2.49
24 Jul 2025$2.49
25 Jul 2025$2.49
26 Jul 2025$2.49
27 Jul 2025$2.49
28 Jul 2025$2.49
29 Jul 2025$2.49
30 Jul 2025$2.49
31 Jul 2025$2.49
1 Aug 2025$2.49
2 Aug 2025$2.49
3 Aug 2025$2.49
4 Aug 2025$2.49
5 Aug 2025$2.49
6 Aug 2025$2.49
7 Aug 2025$2.49
8 Aug 2025$2.49
9 Aug 2025$2.49
10 Aug 2025$2.49
11 Aug 2025$2.49
12 Aug 2025$2.49
13 Aug 2025$2.49
14 Aug 2025$2.49
15 Aug 2025$2.49
16 Aug 2025$2.49
17 Aug 2025$2.49
18 Aug 2025$2.49
19 Aug 2025$2.49
20 Aug 2025$2.49
21 Aug 2025$2.49
22 Aug 2025$2.49
23 Aug 2025$2.49
24 Aug 2025$2.49
25 Aug 2025$2.49
26 Aug 2025$2.49
27 Aug 2025$2.49
28 Aug 2025$2.49
29 Aug 2025$2.49
30 Aug 2025$2.49
31 Aug 2025$2.49
1 Sept 2025$2.49
2 Sept 2025$2.49
3 Sept 2025$2.49
4 Sept 2025$2.49
5 Sept 2025$2.49
6 Sept 2025$2.49
7 Sept 2025$2.49
8 Sept 2025$2.49
9 Sept 2025$2.49
10 Sept 2025$2.49
11 Sept 2025$2.49
12 Sept 2025$2.49
13 Sept 2025$2.49
14 Sept 2025$2.49
15 Sept 2025$2.49
16 Sept 2025$2.49
17 Sept 2025$2.49
18 Sept 2025$2.49
19 Sept 2025$2.49
20 Sept 2025$2.49
21 Sept 2025$2.49
22 Sept 2025$2.49
23 Sept 2025$2.49
24 Sept 2025$2.49
25 Sept 2025$2.49
26 Sept 2025$2.49
27 Sept 2025$2.49
28 Sept 2025$2.49
29 Sept 2025$2.49
30 Sept 2025$2.49
1 Oct 2025$2.49
2 Oct 2025$2.49
3 Oct 2025$2.49
4 Oct 2025$2.49
5 Oct 2025$2.49
6 Oct 2025$2.49
7 Oct 2025$2.49
8 Oct 2025$2.49
9 Oct 2025$2.49
10 Oct 2025$2.49
11 Oct 2025$2.49
12 Oct 2025$2.49
13 Oct 2025$2.49
14 Oct 2025$2.49
15 Oct 2025$2.49
16 Oct 2025$2.49
17 Oct 2025$2.49
18 Oct 2025$2.49
19 Oct 2025$2.49
20 Oct 2025$2.49
21 Oct 2025$2.49
22 Oct 2025$2.49
23 Oct 2025$2.49
24 Oct 2025$2.49
25 Oct 2025$2.49
26 Oct 2025$2.49
27 Oct 2025$2.49
28 Oct 2025$2.49
29 Oct 2025$2.49
30 Oct 2025$2.49
31 Oct 2025$2.49
1 Nov 2025$2.49
2 Nov 2025$2.49
3 Nov 2025$2.49
4 Nov 2025$2.49
5 Nov 2025$2.49
6 Nov 2025$2.49
7 Nov 2025$2.49
8 Nov 2025$2.49
9 Nov 2025$2.49
10 Nov 2025$2.49
11 Nov 2025$2.49
12 Nov 2025$2.49
13 Nov 2025$2.49
14 Nov 2025$2.49
15 Nov 2025$2.49
16 Nov 2025$2.49
17 Nov 2025$2.49
18 Nov 2025$2.49
19 Nov 2025$2.49
20 Nov 2025$2.49
21 Nov 2025$2.49
22 Nov 2025$2.49
23 Nov 2025$2.49
24 Nov 2025$2.49
25 Nov 2025$2.49
26 Nov 2025$2.49
27 Nov 2025$2.49
28 Nov 2025$2.49
29 Nov 2025$2.49
30 Nov 2025$2.49
1 Dec 2025$2.49
2 Dec 2025$2.49
3 Dec 2025$2.49
4 Dec 2025$2.49
5 Dec 2025$2.49
6 Dec 2025$2.49
7 Dec 2025$2.49
8 Dec 2025$2.49
9 Dec 2025$2.49
10 Dec 2025$2.49
11 Dec 2025$2.49
12 Dec 2025$2.49
13 Dec 2025$2.49
14 Dec 2025$2.49
15 Dec 2025$2.49
16 Dec 2025$2.49
17 Dec 2025$2.49
18 Dec 2025$2.49
19 Dec 2025$2.49
20 Dec 2025$2.49
21 Dec 2025$2.49
22 Dec 2025$2.48
23 Dec 2025$2.48
24 Dec 2025$2.48
25 Dec 2025$2.48
26 Dec 2025$2.48
27 Dec 2025$2.48
28 Dec 2025$2.48
29 Dec 2025$2.48
30 Dec 2025$2.48
31 Dec 2025$2.48
1 Jan 2026$2.48
2 Jan 2026$2.39
3 Jan 2026$2.39
4 Jan 2026$2.39
5 Jan 2026$2.39
6 Jan 2026$2.39
7 Jan 2026$2.39
8 Jan 2026$2.39
9 Jan 2026$2.39
10 Jan 2026$2.39
11 Jan 2026$2.39
12 Jan 2026$2.39
13 Jan 2026$2.39
14 Jan 2026$2.39
15 Jan 2026$2.39
16 Jan 2026$2.39
17 Jan 2026$2.39
18 Jan 2026$2.39
19 Jan 2026$2.39
20 Jan 2026$2.39
21 Jan 2026$2.39
22 Jan 2026$2.39
23 Jan 2026$2.30
24 Jan 2026$2.29
25 Jan 2026$2.29
26 Jan 2026$2.29
27 Jan 2026$2.29
28 Jan 2026$2.29
29 Jan 2026$2.29
30 Jan 2026$2.29
31 Jan 2026$2.29
1 Feb 2026$2.29
3 Feb 2026$2.29
4 Feb 2026$2.29
5 Feb 2026$2.29
6 Feb 2026$2.29
7 Feb 2026$2.29
8 Feb 2026$2.29
9 Feb 2026$2.29
10 Feb 2026$2.29
11 Feb 2026$2.29
12 Feb 2026$2.15
13 Feb 2026$2.15
14 Feb 2026$2.15
15 Feb 2026$2.15
16 Feb 2026$2.15
17 Feb 2026$2.15
18 Feb 2026$2.15
19 Feb 2026$2.15
20 Feb 2026$2.29
21 Feb 2026$2.29
22 Feb 2026$2.29
23 Feb 2026$2.29
24 Feb 2026$2.29
25 Feb 2026$2.29
26 Feb 2026$2.29
27 Feb 2026$2.29
28 Feb 2026$2.29
1 Mar 2026$2.29
2 Mar 2026$2.29
3 Mar 2026$2.29
4 Mar 2026$2.29
5 Mar 2026$2.29
6 Mar 2026$2.29
7 Mar 2026$2.29
8 Mar 2026$2.29
9 Mar 2026$2.29
10 Mar 2026$2.29
11 Mar 2026$2.29
12 Mar 2026$2.29
13 Mar 2026$2.29
14 Mar 2026$2.29
15 Mar 2026$2.29
16 Mar 2026$2.29
17 Mar 2026$2.29
18 Mar 2026$2.29
19 Mar 2026$2.29
20 Mar 2026$2.29
21 Mar 2026$2.29
22 Mar 2026$2.29
23 Mar 2026$2.29
24 Mar 2026$2.29
25 Mar 2026$2.29
26 Mar 2026$2.30
27 Mar 2026$2.30
28 Mar 2026$2.30
29 Mar 2026$2.30
30 Mar 2026$2.29
31 Mar 2026$2.29
1 Apr 2026$2.29
2 Apr 2026$2.29
3 Apr 2026$2.29
4 Apr 2026$2.30
5 Apr 2026$2.29
6 Apr 2026$2.29
7 Apr 2026$2.29
8 Apr 2026$2.29
9 Apr 2026$2.29
10 Apr 2026$2.29
11 Apr 2026$2.30
12 Apr 2026$2.30
13 Apr 2026$2.30
14 Apr 2026$2.30
15 Apr 2026$2.29
16 Apr 2026$2.29
17 Apr 2026$2.29
18 Apr 2026$2.29
19 Apr 2026$2.29
20 Apr 2026$2.29
21 Apr 2026$2.29
22 Apr 2026$2.29
23 Apr 2026$2.29
24 Apr 2026$2.29
25 Apr 2026$2.29
26 Apr 2026$2.29
27 Apr 2026$2.29
28 Apr 2026$2.29
29 Apr 2026$2.29
30 Apr 2026$2.29
1 May 2026$2.29
2 May 2026$2.29
3 May 2026$2.29
4 May 2026$2.29
5 May 2026$2.29
6 May 2026$2.29
7 May 2026$2.29
8 May 2026$2.29
9 May 2026$2.29
10 May 2026$2.29
11 May 2026$2.29
12 May 2026$2.29
13 May 2026$2.29
14 May 2026$2.15
15 May 2026$2.15
16 May 2026$2.15
17 May 2026$2.15
18 May 2026$2.15
19 May 2026$2.15
20 May 2026$2.15
21 May 2026$2.29
22 May 2026$2.29
23 May 2026$2.29
24 May 2026$2.29
25 May 2026$2.29
26 May 2026$2.29
27 May 2026$2.29
28 May 2026$2.29
29 May 2026$2.29
30 May 2026$2.29
31 May 2026$2.29
1 Jun 2026$2.29
2 Jun 2026$2.29
3 Jun 2026$2.29
4 Jun 2026$2.29
5 Jun 2026$2.29
6 Jun 2026$2.29
7 Jun 2026$2.29
8 Jun 2026$1.95
9 Jun 2026$1.95
10 Jun 2026$2.29
11 Jun 2026$2.29
12 Jun 2026$2.29
13 Jun 2026$2.29
14 Jun 2026$2.29
15 Jun 2026$2.29
16 Jun 2026$1.95
17 Jun 2026$1.95
18 Jun 2026$1.95
19 Jun 2026$2.29
20 Jun 2026$2.29
21 Jun 2026$2.29
22 Jun 2026$2.29
23 Jun 2026$1.95
24 Jun 2026$1.95
25 Jun 2026$1.95
26 Jun 2026$1.95
27 Jun 2026$1.95
28 Jun 2026$1.95
29 Jun 2026$1.95
30 Jun 2026$1.95
1 Jul 2026$1.95
2 Jul 2026$1.95
3 Jul 2026$1.95
4 Jul 2026$1.61
5 Jul 2026$1.61
6 Jul 2026$1.56
7 Jul 2026$1.56
8 Jul 2026$1.56
9 Jul 2026$1.56
10 Jul 2026$1.61
11 Jul 2026$1.61
12 Jul 2026$1.61
13 Jul 2026$1.56
14 Jul 2026$1.56
15 Jul 2026$1.56
16 Jul 2026$1.56
17 Jul 2026$1.56
18 Jul 2026$1.56
19 Jul 2026$1.61
20 Jul 2026$1.61
21 Jul 2026$1.61
22 Jul 2026$1.95
23 Jul 2026$1.95
24 Jul 2026$2.29
25 Jul 2026$2.29
26 Jul 2026$1.95
27 Jul 2026$1.95
28 Jul 2026$1.95
29 Jul 2026$1.95
30 Jul 2026$1.95
31 Jul 2026$1.95
1 Aug 2026$1.95
2 Aug 2026$1.95
3 Aug 2026$1.95
4 Aug 2026$1.95
5 Aug 2026$1.61
6 Aug 2026$1.61
7 Aug 2026$1.61
8 Aug 2026$1.61
9 Aug 2026$1.61
10 Aug 2026$1.61
11 Aug 2026$1.61
12 Aug 2026$1.61
13 Aug 2026$1.61
14 Aug 2026$1.61
15 Aug 2026$1.61
16 Aug 2026$1.61
17 Aug 2026$1.95
18 Aug 2026$1.95
19 Aug 2026$2.29
20 Aug 2026$2.29
21 Aug 2026$2.29
22 Aug 2026$2.29
23 Aug 2026$1.95
24 Aug 2026$1.95
25 Aug 2026$1.95
26 Aug 2026$2.29
27 Aug 2026$2.29
28 Aug 2026$2.29
29 Aug 2026$2.29
30 Aug 2026$1.95
31 Aug 2026$1.95
1 Sept 2026$1.95
2 Sept 2026$1.95
3 Sept 2026$1.61
4 Sept 2026$1.61
5 Sept 2026$1.61
6 Sept 2026$1.61
7 Sept 2026$1.61
8 Sept 2026$1.61
9 Sept 2026$1.61
10 Sept 2026$1.61
11 Sept 2026$1.95
12 Sept 2026$1.95
13 Sept 2026$1.61
14 Sept 2026$1.61
15 Sept 2026$1.61
15 Oct 2026$1.50
16 Oct 2026$1.50
17 Oct 2026$1.50
20 Oct 2026$1.50
21 Oct 2026$1.50
23 Oct 2026$1.50
Period high$4.99
Period low$1.50
Period average$2.51
Recorded points631

Sales History

No recorded sales history is available for this card.