🎰 Vietlott Data

📊 Automated Vietnamese Lottery Data Collection & Analysis

This project automatically crawls and analyzes Vietnamese lottery data from vietlott.vn, providing comprehensive statistics and insights for all major lottery products.

🔗 Links

• 🌐 Website - Interactive data visualization
• 📝 Blog Post - About this project

🎯 Supported Lottery Products

Product	Link	Description
Power 6/55	🔗 Results	Choose 6 numbers from 1-55
Power 6/45	🔗 Results	Choose 6 numbers from 1-45
Power 5/35	🔗 Results	Choose 5 numbers from 1-35
Keno	🔗 Results	Fast-pace number game
Max 3D	🔗 Results	3-digit lottery game
Max 3D Pro	🔗 Results	Enhanced 3D lottery
Bingo18	🔗 Results	3 numbers from 0-9 game

📋 Table of Contents

• 🔗 Links
• 🎯 Supported Lottery Products
• Predictions
• 📊 Data Statistics
• 📈 Power 6/55 Analysis
  • 📅 Recent Results
  • 🎲 Number Frequency (All Time)
  • 📊 Frequency Analysis by Period
  • ⏳ Top 10 Numbers by Days Since Last Appearance
  • 📆 Days Since Last Appearance - All Numbers
• ⚙️ How It Works
• 🚀 Installation & Usage
• 📄 License

Predictions

Predicitons models are at /src/predictions.

For background on these models, see the Machine Learning README.

📊 Data Statistics

Product	Total Draws	Start Date	End Date	Total Records	First ID	Latest ID
Power 655	1333	2017-08-01	2026-04-16	1333	00001	01333
Power 645	1301	2017-10-25	2026-04-17	1301	00198	01498
Power 535	258	2025-06-29	2026-04-17	516	00001	00586
Keno	526	2022-12-04	2026-04-17	66800	#0110271	#0277885
3D	1064	2019-04-22	2026-04-17	1064	00001	01068
3D Pro	710	2021-09-14	2026-04-16	710	00001	00714
Bingo18	476	2024-12-03	2026-04-17	56220	0083123	0162665

📈 Power 6/55 Analysis

📅 Recent Results (Last 10 draws)

date	id	result	process_time
2026-04-16	01333	[2, 7, 15, 22, 47, 52, 55]	2026-04-17T21:50:28.270537
2026-04-14	01332	[8, 16, 22, 35, 39, 47, 28]	2026-04-17T21:50:28.272159
2026-04-11	01331	[13, 26, 29, 38, 49, 53, 7]	2026-04-17T21:50:28.273700
2026-04-09	01330	[16, 18, 22, 29, 41, 53, 38]	2026-04-17T21:50:28.275303
2026-04-07	01329	[1, 13, 23, 31, 44, 53, 32]	2026-04-17T21:50:28.276955
2026-04-04	01328	[5, 7, 10, 23, 30, 54, 40]	2026-04-17T21:50:28.278567
2026-04-02	01327	[9, 21, 32, 34, 52, 53, 22]	2026-04-17T21:50:28.280228
2026-03-31	01326	[15, 16, 22, 38, 43, 48, 11]	2026-04-17T21:50:28.281789
2026-03-28	01325	[7, 13, 21, 30, 33, 42, 39]	2026-03-29T00:00:55.768670
2026-03-26	01324	[3, 9, 10, 34, 38, 44, 51]	2026-03-27T00:01:03.257686

🎲 Number Frequency (All Time)

result	count	%	-1	1result	1count	1%	-2	2result	2count	2%
1	178	1.91		21	165	1.77		41	196	2.1
2	152	1.63		22	198	2.12		42	173	1.85
3	181	1.94		23	179	1.92		43	193	2.07
4	139	1.49		24	168	1.8		44	174	1.86
5	171	1.83		25	151	1.62		45	170	1.82
6	140	1.5		26	161	1.73		46	173	1.85
7	151	1.62		27	156	1.67		47	170	1.82
8	180	1.93		28	149	1.6		48	182	1.95
9	185	1.98		29	183	1.96		49	167	1.79
10	160	1.71		30	156	1.67		50	168	1.8
11	173	1.85		31	179	1.92		51	190	2.04
12	178	1.91		32	179	1.92		52	174	1.86
13	167	1.79		33	169	1.81		53	180	1.93
14	169	1.81		34	190	2.04		54	163	1.75
15	158	1.69		35	165	1.77		55	170	1.82
16	164	1.76		36	161	1.73
17	152	1.63		37	152	1.63
18	170	1.82		38	165	1.77
19	168	1.8		39	160	1.71
20	181	1.94		40	184	1.97

📊 Frequency Analysis by Period

Last 30 Days

result	count	%	-1	1result	1count	1%	-2	2result	2count	2%
1	2	2.2		25	1	1.1		48	1	1.1
2	1	1.1		26	2	2.2		49	1	1.1
3	3	3.3		28	1	1.1		51	1	1.1
5	1	1.1		29	2	2.2		52	2	2.2
6	1	1.1		30	2	2.2		53	5	5.49
7	5	5.49		31	2	2.2		54	1	1.1
8	1	1.1		32	3	3.3		55	2	2.2
9	3	3.3		33	1	1.1
10	2	2.2		34	3	3.3
11	1	1.1		35	1	1.1
12	1	1.1		36	1	1.1
13	3	3.3		38	4	4.4
15	2	2.2		39	2	2.2
16	3	3.3		40	2	2.2
17	1	1.1		41	1	1.1
18	1	1.1		42	1	1.1
19	1	1.1		43	2	2.2
21	2	2.2		44	2	2.2
22	5	5.49		45	1	1.1
23	2	2.2		47	3	3.3

Last 60 Days

result	count	%	-1	1result	1count	1%	-2	2result	2count	2%
1	4	2.29		21	3	1.71		42	1	0.57
2	1	0.57		22	6	3.43		43	6	3.43
3	4	2.29		23	2	1.14		44	4	2.29
4	1	0.57		25	3	1.71		45	4	2.29
5	3	1.71		26	6	3.43		46	2	1.14
6	1	0.57		27	3	1.71		47	5	2.86
7	9	5.14		28	3	1.71		48	2	1.14
8	2	1.14		29	5	2.86		49	1	0.57
9	3	1.71		30	5	2.86		50	3	1.71
10	3	1.71		31	4	2.29		51	5	2.86
11	1	0.57		32	4	2.29		52	5	2.86
12	4	2.29		33	1	0.57		53	6	3.43
13	4	2.29		34	3	1.71		54	6	3.43
14	1	0.57		35	2	1.14		55	3	1.71
15	2	1.14		36	3	1.71
16	5	2.86		37	1	0.57
17	1	0.57		38	5	2.86
18	2	1.14		39	4	2.29
19	1	0.57		40	3	1.71
20	1	0.57		41	3	1.71

Last 90 Days

result	count	%	-1	1result	1count	1%	-2	2result	2count	2%
1	5	1.88		21	6	2.26		41	4	1.5
2	3	1.13		22	10	3.76		42	3	1.13
3	5	1.88		23	3	1.13		43	6	2.26
4	3	1.13		24	1	0.38		44	4	1.5
5	5	1.88		25	6	2.26		45	5	1.88
6	1	0.38		26	11	4.14		46	5	1.88
7	10	3.76		27	3	1.13		47	5	1.88
8	3	1.13		28	5	1.88		48	5	1.88
9	4	1.5		29	8	3.01		49	2	0.75
10	4	1.5		30	6	2.26		50	4	1.5
11	3	1.13		31	5	1.88		51	5	1.88
12	5	1.88		32	10	3.76		52	5	1.88
13	9	3.38		33	1	0.38		53	10	3.76
14	4	1.5		34	4	1.5		54	9	3.38
15	5	1.88		35	3	1.13		55	5	1.88
16	6	2.26		36	5	1.88
17	3	1.13		37	2	0.75
18	4	1.5		38	5	1.88
19	2	0.75		39	4	1.5
20	4	1.5		40	3	1.13

⏳ Top 10 số lâu chưa xuất hiện (Top 10 Numbers by Days Since Last Appearance)

result	last_date	days_since
24	2026-01-24	82
46	2026-02-26	49
37	2026-03-05	42
14	2026-03-05	42
4	2026-03-07	40
20	2026-03-10	37
27	2026-03-14	33
50	2026-03-17	30
36	2026-03-19	28
17	2026-03-19	28

📆 Số ngày từ lần xuất hiện cuối cùng (Days Since Last Appearance - All Numbers)

result	last_date	days_since
1	2026-04-07	9
2	2026-04-16	0
3	2026-03-26	21
4	2026-03-07	40
5	2026-04-04	12
6	2026-03-21	26
7	2026-04-16	0
8	2026-04-14	2
9	2026-04-02	14
10	2026-04-04	12
11	2026-03-31	16
12	2026-03-24	23
13	2026-04-11	5
14	2026-03-05	42
15	2026-04-16	0
16	2026-04-14	2
17	2026-03-19	28
18	2026-04-09	7
19	2026-03-24	23
20	2026-03-10	37
21	2026-04-02	14
22	2026-04-16	0
23	2026-04-07	9
24	2026-01-24	82
25	2026-03-24	23
26	2026-04-11	5
27	2026-03-14	33
28	2026-04-14	2
29	2026-04-11	5
30	2026-04-04	12
31	2026-04-07	9
32	2026-04-07	9
33	2026-03-28	19
34	2026-04-02	14
35	2026-04-14	2
36	2026-03-19	28
37	2026-03-05	42
38	2026-04-11	5
39	2026-04-14	2
40	2026-04-04	12
41	2026-04-09	7
42	2026-03-28	19
43	2026-03-31	16
44	2026-04-07	9
45	2026-03-24	23
46	2026-02-26	49
47	2026-04-16	0
48	2026-03-31	16
49	2026-04-11	5
50	2026-03-17	30
51	2026-03-26	21
52	2026-04-16	0
53	2026-04-11	5
54	2026-04-04	12
55	2026-04-16	0

⚙️ How It Works

🤖 Automated Data Collection

This project runs completely automatically using GitHub Actions - no server required!

• ⏰ Schedule: Runs daily via GitHub Actions workflow
• 🔄 Process: Fetches latest results → Processes data → Commits to repository
• 📊 Analysis: Generates statistics and updates README automatically

🕵️ Data Crawling Method

The data collection works by:

1. 🔍 Network Analysis: Inspecting browser-server communication
2. 🐍 Python Replication: Recreating the data fetch logic in Python
3. 📋 Structured Storage: Saving results in JSONL format for easy analysis
4. 🔄 Continuous Updates: Daily automated runs ensure fresh data

Note: This is purely for educational and research purposes. No gambling advice is provided.

🚀 Installation & Usage

📦 Install via pip

pip install -i vietlott-data

💻 Command Line Interface

🔍 Crawl Data

vietlott-crawl [OPTIONS] PRODUCT

# Options:
#   --run-date TEXT       Specific date to crawl (default: current date)
#   --index-from INTEGER  Starting page index (default: 0)
#   --index-to INTEGER    Ending page index (default: None)
#   --help               Show help message

🔧 Backfill Missing Data

vietlott-missing [OPTIONS] PRODUCT

# Options:
#   --limit INTEGER  Number of pages to process (default: 20)
#   --help          Show help message

Available Products: power_655, power_645, power_535, keno, 3d, 3d_pro, bingo18

🛠️ Development Setup

# Clone the repository
git clone https://github.com/vietvudanh/vietlott-data.git ; cd vietlott-data

# Install dependencies (recommend using uv and virtual environment)
uv sync --dev

# Run tests
uv run pytest

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

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