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
24Q4 (20)1.4038.61-0.710.4540.6240.6265.18-27.450.7200.40-29.81-30.3643.14-43.11-45.38222.44-25.73-18.68
24Q3 (19)1.01-20.47-14.410.32-15.7988.2489.8424.9316.04285.5117.71-47.8975.838.33-61.71299.5222.52-29.9
24Q2 (18)1.2720.95-6.620.380.080.9571.91-16.727.33242.561.08-43.3370.00-3.74-51.65244.47-3.6-30.2
24Q1 (17)1.05-25.53-1.870.3818.7552.086.3533.41.55239.97-16.61-35.1772.72-7.93-33.63253.60-7.29-26.63
23Q4 (16)1.4119.4920.510.3288.24-5.8864.73-16.39-16.64287.77-47.477.0578.98-60.12-29.86273.53-35.9816.95
23Q3 (15)1.18-13.240.00.17-19.05-59.5277.4215.550.61547.8728.01154.8198.0236.78135.49427.2722.0105.55
23Q2 (14)1.3627.130.770.21-16.0-54.3567.00-21.2-23.28427.9915.62117.21144.7732.1477.74350.221.3272.59
23Q1 (13)1.07-8.559.180.25-26.47-55.3685.039.5-8.84370.1837.7128.08109.56-2.763.5345.6647.7983.31
22Q4 (12)1.17-0.85-7.140.34-19.05-52.7877.650.917.8268.8325.03112.33112.6033.9116.83233.8812.5159.42
22Q3 (11)1.1813.4642.170.42-8.7-17.6576.95-11.89-30.09215.029.1321.6884.093.2420.78207.872.44-4.28
22Q2 (10)1.046.12-1.890.46-17.86-30.387.33-6.381.35197.0421.443.4281.4521.5530.82202.927.6125.8
22Q1 (9)0.98-22.22-25.760.56-22.22-13.8593.2829.535.01162.3028.1915.4467.0129.04-3.35188.5728.5334.36
21Q4 (8)1.2651.8112.50.7241.1826.3272.03-34.56-11.57126.61-28.35-21.0851.93-25.41-31.29146.71-32.44-11.78
21Q3 (7)0.83-21.7-29.660.51-22.73-22.73110.0727.7442.99176.7128.6227.9269.6211.8227.49217.1634.6335.29
21Q2 (6)1.06-19.7-4.50.661.5432.086.1724.725.24137.39-2.28-24.1962.26-10.2-10.7161.3014.93-16.59
21Q1 (5)1.3217.8638.950.6514.0462.569.09-15.17-27.95140.59-12.37-38.9469.33-8.27-35.14140.35-15.6-35.98
20Q4 (4)1.12-5.080.00.57-13.640.081.455.810.0160.4316.140.075.5838.40.0166.303.610.0
20Q3 (3)1.186.310.00.6632.00.076.98-5.980.0138.14-23.770.054.61-21.670.0160.51-17.00.0
20Q2 (2)1.1116.840.00.5025.00.081.88-14.610.0181.22-21.290.069.72-34.780.0193.38-11.790.0
20Q1 (1)0.950.00.00.400.00.095.890.00.0230.240.00.0106.900.00.0219.230.00.0
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
2024 (10)3.91-11.141.19-22.7393.2712.41307.0229.668.75-27.03331.5446.94
2023 (9)4.4016.711.542.6782.97-14.2236.89-2.6994.22-11.67225.63-3.35
2022 (8)3.77-21.951.50-41.1896.7027.84243.4370.31106.6767.59233.4650.7
2021 (7)4.8316.112.5520.2875.64-13.83142.93-16.8363.65-23.75154.92-12.06
2020 (6)4.16-4.152.12-5.3687.784.36171.865.3283.47-5.9176.1711.09
2019 (5)4.3451.222.24-4.2784.11-33.9163.184.6688.70-30.39158.591.84
2018 (4)2.87-14.072.34-35.54127.2416.48155.9155.26127.432.65155.7282.09
2017 (3)3.34-19.93.63-10.37109.2424.72100.4211.55124.1425.2285.528.97
2016 (2)4.17-6.54.0530.6587.597.0490.02-23.5199.1426.8178.48-35.32
2015 (1)4.46-8.233.1013.5581.838.87117.69-11.8778.184.52121.34-9.38

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