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)0.75-3.8515.380.752.7444.23121.854.81-12.61122.03-1.78-30.2620.22-2.69-27.58223.651.79-21.94
24Q2 (19)0.781.311.430.7310.6123.73116.26-1.84-9.99124.24-9.74-18.7720.78-22.0-16.21219.72-4.24-14.61
24Q1 (18)0.772.676.940.66-5.7113.79118.44-1.93-5.92137.656.28-12.0226.6413.4630.01229.441.16-12.38
23Q4 (17)0.7515.387.140.7034.6240.0120.77-13.39-6.52129.52-25.98-28.8523.48-15.93.39226.80-20.84-21.39
23Q3 (16)0.65-7.1432.650.52-11.8615.56139.447.96-25.5174.9814.41-14.3627.9212.58-5.32286.5011.35-20.85
23Q2 (15)0.70-2.7825.00.591.72-10.61129.162.6-21.17152.94-2.2410.3124.8021.03-1.98257.30-1.74-7.18
23Q1 (14)0.722.8612.50.5816.0-30.12125.89-2.56-11.23156.45-14.0641.9620.49-9.78-3.07261.85-9.2513.41
22Q4 (13)0.7042.8614.750.5011.11-43.82129.20-30.97-12.79182.04-10.9178.322.71-22.9910.46288.53-20.2925.62
22Q3 (12)0.49-12.5-26.870.45-31.82-59.09187.1614.2338.01204.3347.37147.7629.4916.5640.36361.9930.5983.69
22Q2 (11)0.56-12.5-17.650.66-20.48-38.32163.8415.5321.86138.6525.8163.1425.3019.6817.02277.1920.0540.12
22Q1 (10)0.644.920.00.83-6.74-19.42141.82-4.27-0.22110.217.9425.0721.142.823.37230.890.5210.05
21Q4 (9)0.61-8.96-7.580.89-19.09-10.1148.159.257.78102.1023.810.8520.56-2.14-1.91229.6916.5510.12
21Q3 (8)0.67-1.479.841.102.830.95135.610.86-9.0382.47-2.97-23.9721.01-2.82-16.29197.07-0.38-15.22
21Q2 (7)0.686.25-4.231.073.8813.83134.45-5.44.9684.99-3.55-12.6621.625.724.34197.82-5.71-3.36
21Q1 (6)0.64-3.0316.361.034.0428.75142.133.4-14.2888.12-4.33-22.1120.45-2.43-1.54209.800.58-18.74
20Q4 (5)0.668.2-13.160.9917.8620.73137.45-7.7914.0692.11-15.08-17.2820.96-16.4955.14208.59-10.26-4.47
20Q3 (4)0.61-14.080.00.84-10.640.0149.0716.370.0108.4711.470.025.1021.140.0232.4413.550.0
20Q2 (3)0.7129.090.00.9417.50.0128.10-22.740.097.31-13.990.020.72-0.240.0204.70-20.710.0
20Q1 (2)0.55-27.630.00.80-2.440.0165.8137.590.0113.141.610.020.7753.740.0258.1718.240.0
19Q4 (1)0.760.00.00.820.00.0120.510.00.0111.350.00.013.510.00.0218.350.00.0
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)3.0725.822.34-3.7119.05-20.49156.243.8226.4225.21248.87-10.83
2022 (9)2.44-11.272.43-35.37149.7313.0150.4954.921.107.6279.1132.88
2021 (8)2.7511.793.769.3132.51-10.5897.15-8.3419.61-11.51210.04-9.47
2020 (7)2.4627.463.4420.28148.19-21.8105.99-16.9422.160.96232.01-21.4
2019 (6)1.93-15.352.86-14.88189.5018.63127.6117.621.951.71295.1619.66
2018 (5)2.28-1.33.36-18.45159.741.02108.5122.6121.580.42246.679.57
2017 (4)2.31-6.484.127.85158.136.988.50-7.3321.49-17.22225.133.53
2016 (3)2.47-3.143.82-2.8147.923.5395.502.825.96-20.29217.467.02
2015 (2)2.55-8.273.93-4.84142.879.0192.905.2132.576.33203.207.66
2014 (1)2.78-8.254.13-6.35131.068.988.306.5730.63-7.91188.7411.06

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