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)0.74-12.94-11.90.49-2.0-10.91122.4314.713.61187.162.713.4939.55-1.421.62270.038.512.44
24Q2 (19)0.85-28.57-14.140.50-19.35-5.66106.7439.8416.26182.2423.695.5940.1142.1828.81248.8727.336.7
24Q1 (18)1.1927.962.590.6216.98-1.5976.33-21.83-2.94147.34-14.381.8628.21-15.5428.23195.45-17.3-2.9
23Q4 (17)0.9310.71-3.120.53-3.64-8.6297.64-9.393.25172.094.3510.4833.402.7159.28236.34-1.593.04
23Q3 (16)0.84-15.15-1.180.553.771.85107.7617.370.16164.91-4.45-1.7932.524.4332.95240.152.96-4.34
23Q2 (15)0.99-14.6616.470.53-15.878.1691.8116.75-14.49172.5919.32-7.0431.1441.554.71233.2515.88-11.41
23Q1 (14)1.1620.8368.120.638.6246.5178.64-16.84-40.33144.65-7.13-31.4622.004.91-39.92201.29-12.24-34.26
22Q4 (13)0.9612.9412.940.587.419.4394.57-12.1-12.13155.76-7.24-8.7720.97-14.27-24.08229.37-8.63-8.52
22Q3 (12)0.850.037.10.5410.231.71107.590.2-26.73167.92-9.56-25.1224.46-17.75-21.75251.04-4.66-26.13
22Q2 (11)0.8523.1930.770.4913.9513.95107.37-18.54-23.19185.67-12.02-11.4429.74-18.7914.3263.30-14.01-18.59
22Q1 (10)0.69-18.8232.690.43-18.8716.22131.8022.46-24.43211.0323.6-14.3936.6232.5930.23306.2122.12-22.04
21Q4 (9)0.8537.126.870.5329.2715.22107.63-26.7-21.23170.73-23.87-14.2727.62-11.6448.41250.74-26.22-20.94
21Q3 (8)0.62-4.6240.910.41-4.6513.89146.845.04-29.75224.266.97-12.2831.2620.1446.83339.845.08-23.35
21Q2 (7)0.6525.091.180.4316.2234.37139.79-19.85-48.34209.65-14.95-26.5426.02-7.47-21.44323.42-17.66-38.15
21Q1 (6)0.52-22.3930.00.37-19.57-22.92174.4027.64-22.8246.5023.7830.9828.1251.11.15392.7823.841.68
20Q4 (5)0.6752.2717.540.4627.78-33.33136.63-34.63-13.94199.14-22.150.7418.61-12.59-27.22317.16-28.4719.54
20Q3 (4)0.4429.410.00.3612.50.0209.02-22.760.0255.65-10.420.021.29-35.720.0443.39-15.20.0
20Q2 (3)0.34-15.00.00.32-33.330.0270.6119.790.0285.3951.650.033.1219.140.0522.8835.360.0
20Q1 (2)0.40-29.820.00.48-30.430.0225.9142.290.0188.1942.450.027.808.720.0386.3045.60.0
19Q4 (1)0.570.00.00.690.00.0158.770.00.0132.110.00.025.570.00.0265.310.00.0
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)4.8236.162.4011.1175.67-26.66151.81-10.2823.49-7.26204.00-17.43
2022 (9)3.5430.152.1618.68103.18-23.17169.20-15.6925.33-11.22247.05-19.39
2021 (8)2.7248.631.822.25134.30-32.7200.69-1.928.539.27306.47-18.93
2020 (7)1.83-5.671.78-40.27199.555.98204.5766.8126.11-5.98378.0233.51
2019 (6)1.94-14.162.98-17.68188.2916.49122.6421.5527.77-3.84283.1521.18
2018 (5)2.26-29.813.6210.03161.6442.69100.90-9.0628.8824.22233.6616.26
2017 (4)3.22-16.363.2916.25113.2819.58110.95-13.9423.253.33200.98-0.08
2016 (3)3.85-10.262.83-2.4194.7311.24128.922.4222.501.49201.156.51
2015 (2)4.29-11.02.90-9.9485.1612.51125.8711.0322.17-17.37188.8616.41
2014 (1)4.82-17.323.221.5875.6920.81113.37-1.5926.83-12.18162.2310.14

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