玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.602.561.270.68-11.69-11.6956.76-2.46-1.53134.4313.4813.7761.626.2251.55129.579.21-4.12
24Q2 (19)1.56-3.11-0.640.77-6.110.058.192.880.09118.466.49-8.358.0110.3137.24118.642.98-18.21
24Q1 (18)1.61-1.83-5.290.821.2320.5956.561.745.94111.24-1.07-17.0452.599.866.35115.21-4.12-16.53
23Q4 (17)1.643.8-4.090.815.1917.3955.59-3.564.55112.44-4.84-14.7147.8717.73-6.5120.16-11.08-10.2
23Q3 (16)1.580.640.640.7710.06.9457.64-0.86-0.76118.16-8.53-6.2440.66-3.81-21.28135.14-6.832.02
23Q2 (15)1.57-7.65-6.550.702.94-20.4558.148.97.27129.18-3.6624.9142.27-14.52-18.76145.055.0937.36
23Q1 (14)1.70-0.58-2.30.68-1.45-28.4253.390.412.08134.091.7139.5649.45-3.42-8.73138.033.1546.51
22Q4 (13)1.718.92-12.760.69-4.17-30.353.17-8.4514.57131.844.6143.9651.20-0.877.47133.811.0248.1
22Q3 (12)1.57-6.55-1.260.72-18.18-20.8858.087.161.79126.0321.8626.1151.65-0.734.94132.4625.4422.9
22Q2 (11)1.68-3.45-2.330.88-7.37-16.1954.203.632.67103.427.6418.8652.03-3.9721.45105.6012.098.9
22Q1 (10)1.74-11.22-1.140.95-4.043.2652.3012.691.1896.084.91-3.0754.1813.7317.0794.214.27-9.86
21Q4 (9)1.9623.276.520.998.798.7946.41-18.66-6.391.58-8.37-8.1347.64-3.218.6290.35-16.17-14.24
21Q3 (8)1.59-7.56-10.170.91-13.3316.6757.068.0911.1299.9414.86-14.4149.2214.890.39107.7811.15-9.5
21Q2 (7)1.72-2.2765.381.0514.1387.552.792.13-39.8787.01-12.22-46.2842.84-7.43-47.4196.97-7.22-42.38
21Q1 (6)1.76-4.3515.790.921.1-6.1251.694.36-13.6899.12-0.567.2546.285.52-17.58104.52-0.798.71
20Q4 (5)1.843.9517.20.9116.67-18.0249.53-3.54-14.5299.68-14.6421.4643.86-10.54-15.52105.35-11.5419.59
20Q3 (4)1.7770.190.00.7839.290.051.35-41.510.0116.77-27.90.049.03-39.810.0119.09-29.240.0
20Q2 (3)1.04-31.580.00.56-42.860.087.8046.630.0161.9675.240.081.4645.080.0168.3075.040.0
20Q1 (2)1.52-3.180.00.98-11.710.059.883.350.092.4212.610.056.158.150.096.159.150.0
19Q4 (1)1.570.00.01.110.00.057.940.00.082.070.00.051.920.00.088.090.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)6.81-9.82.81-11.9153.6210.88130.1113.6255.474.37128.2616.91
2022 (9)7.556.493.19-8.3348.36-6.08114.519.1553.15-1.67109.717.19
2021 (8)7.0929.623.488.0751.49-22.82104.91-7.3654.05-13.26102.35-13.0
2020 (7)5.47-12.93.22-35.2166.7114.7113.2554.2762.3118.53117.6548.94
2019 (6)6.28-37.764.97-45.7458.1660.7173.4184.1252.5781.9778.9967.46
2018 (5)10.0973.379.16137.3136.19-42.3239.87-57.8528.89-27.6547.17-59.82
2017 (4)5.82-4.283.8612.8762.744.4494.58-11.3439.93-0.72117.39-7.22
2016 (3)6.084.653.423.0160.07-4.36106.68-2.940.224.44126.53-5.69
2015 (2)5.811.753.32-3.7762.81-1.77109.873.9638.51-13.05134.177.05
2014 (1)5.71-4.833.45-6.2563.945.16105.686.4144.29-15.3125.3316.24

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